mainline/platform/sdk/include_gen/external/perfetto/perfetto_protos_perfetto_trace_ftrace_zero_gen_headers/gen/external/perfetto/protos/perfetto/trace/ftrace/f2fs.pbzero.h

// Autogenerated by the ProtoZero compiler plugin. DO NOT EDIT.

#ifndef PERFETTO_PROTOS_PROTOS_PERFETTO_TRACE_FTRACE_F2FS_PROTO_H_
#define PERFETTO_PROTOS_PROTOS_PERFETTO_TRACE_FTRACE_F2FS_PROTO_H_

#include <stddef.h>
#include <stdint.h>

#include "perfetto/protozero/field_writer.h"
#include "perfetto/protozero/message.h"
#include "perfetto/protozero/packed_repeated_fields.h"
#include "perfetto/protozero/proto_decoder.h"
#include "perfetto/protozero/proto_utils.h"

namespace perfetto {
namespace protos {
namespace pbzero {


class F2fsWriteEndFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsWriteEndFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsWriteEndFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsWriteEndFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_pos() const { return at<3>().valid(); }
  int64_t pos() const { return at<3>().as_int64(); }
  bool has_len() const { return at<4>().valid(); }
  uint32_t len() const { return at<4>().as_uint32(); }
  bool has_copied() const { return at<5>().valid(); }
  uint32_t copied() const { return at<5>().as_uint32(); }
};

class F2fsWriteEndFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsWriteEndFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kPosFieldNumber = 3,
    kLenFieldNumber = 4,
    kCopiedFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsWriteEndFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsWriteEndFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Pos =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsWriteEndFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Pos kPos() { return {}; }
  void set_pos(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Pos::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Len =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsWriteEndFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Len kLen() { return {}; }
  void set_len(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Len::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Copied =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsWriteEndFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Copied kCopied() { return {}; }
  void set_copied(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Copied::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsWriteCheckpointFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsWriteCheckpointFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsWriteCheckpointFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsWriteCheckpointFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_is_umount() const { return at<2>().valid(); }
  uint32_t is_umount() const { return at<2>().as_uint32(); }
  bool has_msg() const { return at<3>().valid(); }
  ::protozero::ConstChars msg() const { return at<3>().as_string(); }
};

class F2fsWriteCheckpointFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsWriteCheckpointFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kIsUmountFieldNumber = 2,
    kMsgFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsWriteCheckpointFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_IsUmount =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsWriteCheckpointFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_IsUmount kIsUmount() { return {}; }
  void set_is_umount(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_IsUmount::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Msg =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kString,
      std::string,
      F2fsWriteCheckpointFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Msg kMsg() { return {}; }
  void set_msg(const char* data, size_t size) {
    AppendBytes(FieldMetadata_Msg::kFieldId, data, size);
  }
  void set_msg(std::string value) {
    static constexpr uint32_t field_id = FieldMetadata_Msg::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kString>
        ::Append(*this, field_id, value);
  }
};

class F2fsWriteBeginFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsWriteBeginFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsWriteBeginFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsWriteBeginFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_pos() const { return at<3>().valid(); }
  int64_t pos() const { return at<3>().as_int64(); }
  bool has_len() const { return at<4>().valid(); }
  uint32_t len() const { return at<4>().as_uint32(); }
  bool has_flags() const { return at<5>().valid(); }
  uint32_t flags() const { return at<5>().as_uint32(); }
};

class F2fsWriteBeginFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsWriteBeginFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kPosFieldNumber = 3,
    kLenFieldNumber = 4,
    kFlagsFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsWriteBeginFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsWriteBeginFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Pos =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsWriteBeginFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Pos kPos() { return {}; }
  void set_pos(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Pos::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Len =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsWriteBeginFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Len kLen() { return {}; }
  void set_len(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Len::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Flags =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsWriteBeginFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Flags kFlags() { return {}; }
  void set_flags(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Flags::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsVmPageMkwriteFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/6, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsVmPageMkwriteFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsVmPageMkwriteFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsVmPageMkwriteFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_type() const { return at<3>().valid(); }
  int32_t type() const { return at<3>().as_int32(); }
  bool has_dir() const { return at<4>().valid(); }
  int32_t dir() const { return at<4>().as_int32(); }
  bool has_index() const { return at<5>().valid(); }
  uint64_t index() const { return at<5>().as_uint64(); }
  bool has_dirty() const { return at<6>().valid(); }
  int32_t dirty() const { return at<6>().as_int32(); }
};

class F2fsVmPageMkwriteFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsVmPageMkwriteFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kTypeFieldNumber = 3,
    kDirFieldNumber = 4,
    kIndexFieldNumber = 5,
    kDirtyFieldNumber = 6,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsVmPageMkwriteFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsVmPageMkwriteFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Type =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsVmPageMkwriteFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Type kType() { return {}; }
  void set_type(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Type::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Dir =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsVmPageMkwriteFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dir kDir() { return {}; }
  void set_dir(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dir::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Index =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsVmPageMkwriteFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Index kIndex() { return {}; }
  void set_index(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Index::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Dirty =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsVmPageMkwriteFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dirty kDirty() { return {}; }
  void set_dirty(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dirty::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsUnlinkExitFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsUnlinkExitFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsUnlinkExitFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsUnlinkExitFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_ret() const { return at<3>().valid(); }
  int32_t ret() const { return at<3>().as_int32(); }
};

class F2fsUnlinkExitFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsUnlinkExitFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kRetFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsUnlinkExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsUnlinkExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsUnlinkExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsUnlinkEnterFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsUnlinkEnterFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsUnlinkEnterFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsUnlinkEnterFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_size() const { return at<3>().valid(); }
  int64_t size() const { return at<3>().as_int64(); }
  bool has_blocks() const { return at<4>().valid(); }
  uint64_t blocks() const { return at<4>().as_uint64(); }
  bool has_name() const { return at<5>().valid(); }
  ::protozero::ConstChars name() const { return at<5>().as_string(); }
};

class F2fsUnlinkEnterFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsUnlinkEnterFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kSizeFieldNumber = 3,
    kBlocksFieldNumber = 4,
    kNameFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsUnlinkEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsUnlinkEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsUnlinkEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsUnlinkEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Name =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kString,
      std::string,
      F2fsUnlinkEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Name kName() { return {}; }
  void set_name(const char* data, size_t size) {
    AppendBytes(FieldMetadata_Name::kFieldId, data, size);
  }
  void set_name(std::string value) {
    static constexpr uint32_t field_id = FieldMetadata_Name::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kString>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncatePartialNodesFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncatePartialNodesFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncatePartialNodesFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncatePartialNodesFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_nid() const { return at<3>().valid(); }
  uint32_t nid() const { return at<3>().as_uint32(); }
  bool has_depth() const { return at<4>().valid(); }
  int32_t depth() const { return at<4>().as_int32(); }
  bool has_err() const { return at<5>().valid(); }
  int32_t err() const { return at<5>().as_int32(); }
};

class F2fsTruncatePartialNodesFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncatePartialNodesFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kNidFieldNumber = 3,
    kDepthFieldNumber = 4,
    kErrFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncatePartialNodesFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncatePartialNodesFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nid =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncatePartialNodesFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nid kNid() { return {}; }
  void set_nid(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nid::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Depth =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsTruncatePartialNodesFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Depth kDepth() { return {}; }
  void set_depth(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Depth::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Err =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsTruncatePartialNodesFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Err kErr() { return {}; }
  void set_err(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Err::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateNodesExitFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateNodesExitFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateNodesExitFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateNodesExitFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_ret() const { return at<3>().valid(); }
  int32_t ret() const { return at<3>().as_int32(); }
};

class F2fsTruncateNodesExitFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateNodesExitFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kRetFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateNodesExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateNodesExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsTruncateNodesExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateNodesEnterFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/4, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateNodesEnterFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateNodesEnterFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateNodesEnterFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_nid() const { return at<3>().valid(); }
  uint32_t nid() const { return at<3>().as_uint32(); }
  bool has_blk_addr() const { return at<4>().valid(); }
  uint32_t blk_addr() const { return at<4>().as_uint32(); }
};

class F2fsTruncateNodesEnterFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateNodesEnterFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kNidFieldNumber = 3,
    kBlkAddrFieldNumber = 4,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateNodesEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateNodesEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nid =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateNodesEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nid kNid() { return {}; }
  void set_nid(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nid::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_BlkAddr =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateNodesEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_BlkAddr kBlkAddr() { return {}; }
  void set_blk_addr(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_BlkAddr::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateNodeFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/4, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateNodeFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateNodeFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateNodeFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_nid() const { return at<3>().valid(); }
  uint32_t nid() const { return at<3>().as_uint32(); }
  bool has_blk_addr() const { return at<4>().valid(); }
  uint32_t blk_addr() const { return at<4>().as_uint32(); }
};

class F2fsTruncateNodeFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateNodeFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kNidFieldNumber = 3,
    kBlkAddrFieldNumber = 4,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateNodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateNodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nid =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateNodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nid kNid() { return {}; }
  void set_nid(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nid::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_BlkAddr =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateNodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_BlkAddr kBlkAddr() { return {}; }
  void set_blk_addr(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_BlkAddr::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateInodeBlocksExitFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateInodeBlocksExitFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateInodeBlocksExitFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateInodeBlocksExitFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_ret() const { return at<3>().valid(); }
  int32_t ret() const { return at<3>().as_int32(); }
};

class F2fsTruncateInodeBlocksExitFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateInodeBlocksExitFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kRetFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateInodeBlocksExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateInodeBlocksExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsTruncateInodeBlocksExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateInodeBlocksEnterFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateInodeBlocksEnterFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateInodeBlocksEnterFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateInodeBlocksEnterFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_size() const { return at<3>().valid(); }
  int64_t size() const { return at<3>().as_int64(); }
  bool has_blocks() const { return at<4>().valid(); }
  uint64_t blocks() const { return at<4>().as_uint64(); }
  bool has_from() const { return at<5>().valid(); }
  uint64_t from() const { return at<5>().as_uint64(); }
};

class F2fsTruncateInodeBlocksEnterFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateInodeBlocksEnterFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kSizeFieldNumber = 3,
    kBlocksFieldNumber = 4,
    kFromFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateInodeBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateInodeBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsTruncateInodeBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateInodeBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_From =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateInodeBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_From kFrom() { return {}; }
  void set_from(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_From::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateDataBlocksRangeFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateDataBlocksRangeFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateDataBlocksRangeFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateDataBlocksRangeFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_nid() const { return at<3>().valid(); }
  uint32_t nid() const { return at<3>().as_uint32(); }
  bool has_ofs() const { return at<4>().valid(); }
  uint32_t ofs() const { return at<4>().as_uint32(); }
  bool has_free() const { return at<5>().valid(); }
  int32_t free() const { return at<5>().as_int32(); }
};

class F2fsTruncateDataBlocksRangeFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateDataBlocksRangeFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kNidFieldNumber = 3,
    kOfsFieldNumber = 4,
    kFreeFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateDataBlocksRangeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateDataBlocksRangeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nid =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateDataBlocksRangeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nid kNid() { return {}; }
  void set_nid(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nid::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ofs =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateDataBlocksRangeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ofs kOfs() { return {}; }
  void set_ofs(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ofs::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Free =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsTruncateDataBlocksRangeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Free kFree() { return {}; }
  void set_free(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Free::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateBlocksExitFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateBlocksExitFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateBlocksExitFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateBlocksExitFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_ret() const { return at<3>().valid(); }
  int32_t ret() const { return at<3>().as_int32(); }
};

class F2fsTruncateBlocksExitFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateBlocksExitFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kRetFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateBlocksExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateBlocksExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsTruncateBlocksExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateBlocksEnterFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateBlocksEnterFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateBlocksEnterFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateBlocksEnterFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_size() const { return at<3>().valid(); }
  int64_t size() const { return at<3>().as_int64(); }
  bool has_blocks() const { return at<4>().valid(); }
  uint64_t blocks() const { return at<4>().as_uint64(); }
  bool has_from() const { return at<5>().valid(); }
  uint64_t from() const { return at<5>().as_uint64(); }
};

class F2fsTruncateBlocksEnterFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateBlocksEnterFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kSizeFieldNumber = 3,
    kBlocksFieldNumber = 4,
    kFromFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsTruncateBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_From =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateBlocksEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_From kFrom() { return {}; }
  void set_from(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_From::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }
};

class F2fsTruncateFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/8, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsTruncateFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsTruncateFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsTruncateFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_pino() const { return at<3>().valid(); }
  uint64_t pino() const { return at<3>().as_uint64(); }
  bool has_mode() const { return at<4>().valid(); }
  uint32_t mode() const { return at<4>().as_uint32(); }
  bool has_size() const { return at<5>().valid(); }
  int64_t size() const { return at<5>().as_int64(); }
  bool has_nlink() const { return at<6>().valid(); }
  uint32_t nlink() const { return at<6>().as_uint32(); }
  bool has_blocks() const { return at<7>().valid(); }
  uint64_t blocks() const { return at<7>().as_uint64(); }
  bool has_advise() const { return at<8>().valid(); }
  uint32_t advise() const { return at<8>().as_uint32(); }
};

class F2fsTruncateFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsTruncateFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kPinoFieldNumber = 3,
    kModeFieldNumber = 4,
    kSizeFieldNumber = 5,
    kNlinkFieldNumber = 6,
    kBlocksFieldNumber = 7,
    kAdviseFieldNumber = 8,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Pino =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Pino kPino() { return {}; }
  void set_pino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Pino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Mode =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Mode kMode() { return {}; }
  void set_mode(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Mode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nlink =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nlink kNlink() { return {}; }
  void set_nlink(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nlink::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      7,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Advise =
    ::protozero::proto_utils::FieldMetadata<
      8,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsTruncateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Advise kAdvise() { return {}; }
  void set_advise(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Advise::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsSyncFsFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsSyncFsFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsSyncFsFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsSyncFsFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_dirty() const { return at<2>().valid(); }
  int32_t dirty() const { return at<2>().as_int32(); }
  bool has_wait() const { return at<3>().valid(); }
  int32_t wait() const { return at<3>().as_int32(); }
};

class F2fsSyncFsFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsSyncFsFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kDirtyFieldNumber = 2,
    kWaitFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFsFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Dirty =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSyncFsFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dirty kDirty() { return {}; }
  void set_dirty(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dirty::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Wait =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSyncFsFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Wait kWait() { return {}; }
  void set_wait(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Wait::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsSyncFileExitFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsSyncFileExitFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsSyncFileExitFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsSyncFileExitFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_need_cp() const { return at<3>().valid(); }
  uint32_t need_cp() const { return at<3>().as_uint32(); }
  bool has_datasync() const { return at<4>().valid(); }
  int32_t datasync() const { return at<4>().as_int32(); }
  bool has_ret() const { return at<5>().valid(); }
  int32_t ret() const { return at<5>().as_int32(); }
};

class F2fsSyncFileExitFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsSyncFileExitFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kNeedCpFieldNumber = 3,
    kDatasyncFieldNumber = 4,
    kRetFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFileExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFileExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_NeedCp =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsSyncFileExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_NeedCp kNeedCp() { return {}; }
  void set_need_cp(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_NeedCp::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Datasync =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSyncFileExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Datasync kDatasync() { return {}; }
  void set_datasync(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Datasync::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSyncFileExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsSyncFileEnterFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/8, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsSyncFileEnterFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsSyncFileEnterFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsSyncFileEnterFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_pino() const { return at<3>().valid(); }
  uint64_t pino() const { return at<3>().as_uint64(); }
  bool has_mode() const { return at<4>().valid(); }
  uint32_t mode() const { return at<4>().as_uint32(); }
  bool has_size() const { return at<5>().valid(); }
  int64_t size() const { return at<5>().as_int64(); }
  bool has_nlink() const { return at<6>().valid(); }
  uint32_t nlink() const { return at<6>().as_uint32(); }
  bool has_blocks() const { return at<7>().valid(); }
  uint64_t blocks() const { return at<7>().as_uint64(); }
  bool has_advise() const { return at<8>().valid(); }
  uint32_t advise() const { return at<8>().as_uint32(); }
};

class F2fsSyncFileEnterFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsSyncFileEnterFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kPinoFieldNumber = 3,
    kModeFieldNumber = 4,
    kSizeFieldNumber = 5,
    kNlinkFieldNumber = 6,
    kBlocksFieldNumber = 7,
    kAdviseFieldNumber = 8,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Pino =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Pino kPino() { return {}; }
  void set_pino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Pino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Mode =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Mode kMode() { return {}; }
  void set_mode(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Mode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nlink =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nlink kNlink() { return {}; }
  void set_nlink(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nlink::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      7,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Advise =
    ::protozero::proto_utils::FieldMetadata<
      8,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsSyncFileEnterFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Advise kAdvise() { return {}; }
  void set_advise(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Advise::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsSubmitWritePageFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsSubmitWritePageFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsSubmitWritePageFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsSubmitWritePageFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_type() const { return at<3>().valid(); }
  int32_t type() const { return at<3>().as_int32(); }
  bool has_index() const { return at<4>().valid(); }
  uint64_t index() const { return at<4>().as_uint64(); }
  bool has_block() const { return at<5>().valid(); }
  uint32_t block() const { return at<5>().as_uint32(); }
};

class F2fsSubmitWritePageFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsSubmitWritePageFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kTypeFieldNumber = 3,
    kIndexFieldNumber = 4,
    kBlockFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSubmitWritePageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSubmitWritePageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Type =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSubmitWritePageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Type kType() { return {}; }
  void set_type(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Type::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Index =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSubmitWritePageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Index kIndex() { return {}; }
  void set_index(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Index::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Block =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsSubmitWritePageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Block kBlock() { return {}; }
  void set_block(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Block::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsSetPageDirtyFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/6, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsSetPageDirtyFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsSetPageDirtyFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsSetPageDirtyFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_type() const { return at<3>().valid(); }
  int32_t type() const { return at<3>().as_int32(); }
  bool has_dir() const { return at<4>().valid(); }
  int32_t dir() const { return at<4>().as_int32(); }
  bool has_index() const { return at<5>().valid(); }
  uint64_t index() const { return at<5>().as_uint64(); }
  bool has_dirty() const { return at<6>().valid(); }
  int32_t dirty() const { return at<6>().as_int32(); }
};

class F2fsSetPageDirtyFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsSetPageDirtyFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kTypeFieldNumber = 3,
    kDirFieldNumber = 4,
    kIndexFieldNumber = 5,
    kDirtyFieldNumber = 6,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSetPageDirtyFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSetPageDirtyFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Type =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSetPageDirtyFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Type kType() { return {}; }
  void set_type(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Type::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Dir =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSetPageDirtyFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dir kDir() { return {}; }
  void set_dir(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dir::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Index =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsSetPageDirtyFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Index kIndex() { return {}; }
  void set_index(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Index::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Dirty =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsSetPageDirtyFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dirty kDirty() { return {}; }
  void set_dirty(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dirty::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsReserveNewBlockFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsReserveNewBlockFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsReserveNewBlockFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsReserveNewBlockFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_nid() const { return at<2>().valid(); }
  uint32_t nid() const { return at<2>().as_uint32(); }
  bool has_ofs_in_node() const { return at<3>().valid(); }
  uint32_t ofs_in_node() const { return at<3>().as_uint32(); }
};

class F2fsReserveNewBlockFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsReserveNewBlockFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kNidFieldNumber = 2,
    kOfsInNodeFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsReserveNewBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nid =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsReserveNewBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nid kNid() { return {}; }
  void set_nid(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nid::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_OfsInNode =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsReserveNewBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_OfsInNode kOfsInNode() { return {}; }
  void set_ofs_in_node(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_OfsInNode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsReadpageFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsReadpageFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsReadpageFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsReadpageFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_index() const { return at<3>().valid(); }
  uint64_t index() const { return at<3>().as_uint64(); }
  bool has_blkaddr() const { return at<4>().valid(); }
  uint64_t blkaddr() const { return at<4>().as_uint64(); }
  bool has_type() const { return at<5>().valid(); }
  int32_t type() const { return at<5>().as_int32(); }
};

class F2fsReadpageFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsReadpageFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kIndexFieldNumber = 3,
    kBlkaddrFieldNumber = 4,
    kTypeFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsReadpageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsReadpageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Index =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsReadpageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Index kIndex() { return {}; }
  void set_index(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Index::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blkaddr =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsReadpageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blkaddr kBlkaddr() { return {}; }
  void set_blkaddr(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blkaddr::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Type =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsReadpageFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Type kType() { return {}; }
  void set_type(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Type::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsNewInodeFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsNewInodeFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsNewInodeFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsNewInodeFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_ret() const { return at<3>().valid(); }
  int32_t ret() const { return at<3>().as_int32(); }
};

class F2fsNewInodeFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsNewInodeFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kRetFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsNewInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsNewInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsNewInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsIgetExitFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/3, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsIgetExitFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsIgetExitFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsIgetExitFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_ret() const { return at<3>().valid(); }
  int32_t ret() const { return at<3>().as_int32(); }
};

class F2fsIgetExitFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsIgetExitFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kRetFieldNumber = 3,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsIgetExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsIgetExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsIgetExitFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsIgetFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/8, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsIgetFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsIgetFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsIgetFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_pino() const { return at<3>().valid(); }
  uint64_t pino() const { return at<3>().as_uint64(); }
  bool has_mode() const { return at<4>().valid(); }
  uint32_t mode() const { return at<4>().as_uint32(); }
  bool has_size() const { return at<5>().valid(); }
  int64_t size() const { return at<5>().as_int64(); }
  bool has_nlink() const { return at<6>().valid(); }
  uint32_t nlink() const { return at<6>().as_uint32(); }
  bool has_blocks() const { return at<7>().valid(); }
  uint64_t blocks() const { return at<7>().as_uint64(); }
  bool has_advise() const { return at<8>().valid(); }
  uint32_t advise() const { return at<8>().as_uint32(); }
};

class F2fsIgetFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsIgetFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kPinoFieldNumber = 3,
    kModeFieldNumber = 4,
    kSizeFieldNumber = 5,
    kNlinkFieldNumber = 6,
    kBlocksFieldNumber = 7,
    kAdviseFieldNumber = 8,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Pino =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Pino kPino() { return {}; }
  void set_pino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Pino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Mode =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Mode kMode() { return {}; }
  void set_mode(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Mode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nlink =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nlink kNlink() { return {}; }
  void set_nlink(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nlink::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      7,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Advise =
    ::protozero::proto_utils::FieldMetadata<
      8,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsIgetFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Advise kAdvise() { return {}; }
  void set_advise(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Advise::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsGetVictimFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/10, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsGetVictimFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsGetVictimFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsGetVictimFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_type() const { return at<2>().valid(); }
  int32_t type() const { return at<2>().as_int32(); }
  bool has_gc_type() const { return at<3>().valid(); }
  int32_t gc_type() const { return at<3>().as_int32(); }
  bool has_alloc_mode() const { return at<4>().valid(); }
  int32_t alloc_mode() const { return at<4>().as_int32(); }
  bool has_gc_mode() const { return at<5>().valid(); }
  int32_t gc_mode() const { return at<5>().as_int32(); }
  bool has_victim() const { return at<6>().valid(); }
  uint32_t victim() const { return at<6>().as_uint32(); }
  bool has_ofs_unit() const { return at<7>().valid(); }
  uint32_t ofs_unit() const { return at<7>().as_uint32(); }
  bool has_pre_victim() const { return at<8>().valid(); }
  uint32_t pre_victim() const { return at<8>().as_uint32(); }
  bool has_prefree() const { return at<9>().valid(); }
  uint32_t prefree() const { return at<9>().as_uint32(); }
  bool has_free() const { return at<10>().valid(); }
  uint32_t free() const { return at<10>().as_uint32(); }
};

class F2fsGetVictimFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsGetVictimFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kTypeFieldNumber = 2,
    kGcTypeFieldNumber = 3,
    kAllocModeFieldNumber = 4,
    kGcModeFieldNumber = 5,
    kVictimFieldNumber = 6,
    kOfsUnitFieldNumber = 7,
    kPreVictimFieldNumber = 8,
    kPrefreeFieldNumber = 9,
    kFreeFieldNumber = 10,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Type =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Type kType() { return {}; }
  void set_type(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Type::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_GcType =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_GcType kGcType() { return {}; }
  void set_gc_type(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_GcType::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_AllocMode =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_AllocMode kAllocMode() { return {}; }
  void set_alloc_mode(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_AllocMode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_GcMode =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_GcMode kGcMode() { return {}; }
  void set_gc_mode(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_GcMode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Victim =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Victim kVictim() { return {}; }
  void set_victim(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Victim::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_OfsUnit =
    ::protozero::proto_utils::FieldMetadata<
      7,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_OfsUnit kOfsUnit() { return {}; }
  void set_ofs_unit(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_OfsUnit::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_PreVictim =
    ::protozero::proto_utils::FieldMetadata<
      8,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_PreVictim kPreVictim() { return {}; }
  void set_pre_victim(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_PreVictim::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Prefree =
    ::protozero::proto_utils::FieldMetadata<
      9,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Prefree kPrefree() { return {}; }
  void set_prefree(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Prefree::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Free =
    ::protozero::proto_utils::FieldMetadata<
      10,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsGetVictimFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Free kFree() { return {}; }
  void set_free(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Free::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsGetDataBlockFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/6, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsGetDataBlockFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsGetDataBlockFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsGetDataBlockFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_iblock() const { return at<3>().valid(); }
  uint64_t iblock() const { return at<3>().as_uint64(); }
  bool has_bh_start() const { return at<4>().valid(); }
  uint64_t bh_start() const { return at<4>().as_uint64(); }
  bool has_bh_size() const { return at<5>().valid(); }
  uint64_t bh_size() const { return at<5>().as_uint64(); }
  bool has_ret() const { return at<6>().valid(); }
  int32_t ret() const { return at<6>().as_int32(); }
};

class F2fsGetDataBlockFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsGetDataBlockFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kIblockFieldNumber = 3,
    kBhStartFieldNumber = 4,
    kBhSizeFieldNumber = 5,
    kRetFieldNumber = 6,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsGetDataBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsGetDataBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Iblock =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsGetDataBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Iblock kIblock() { return {}; }
  void set_iblock(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Iblock::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_BhStart =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsGetDataBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_BhStart kBhStart() { return {}; }
  void set_bh_start(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_BhStart::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_BhSize =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsGetDataBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_BhSize kBhSize() { return {}; }
  void set_bh_size(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_BhSize::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsGetDataBlockFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsFallocateFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/8, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsFallocateFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsFallocateFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsFallocateFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_mode() const { return at<3>().valid(); }
  int32_t mode() const { return at<3>().as_int32(); }
  bool has_offset() const { return at<4>().valid(); }
  int64_t offset() const { return at<4>().as_int64(); }
  bool has_len() const { return at<5>().valid(); }
  int64_t len() const { return at<5>().as_int64(); }
  bool has_size() const { return at<6>().valid(); }
  int64_t size() const { return at<6>().as_int64(); }
  bool has_blocks() const { return at<7>().valid(); }
  uint64_t blocks() const { return at<7>().as_uint64(); }
  bool has_ret() const { return at<8>().valid(); }
  int32_t ret() const { return at<8>().as_int32(); }
};

class F2fsFallocateFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsFallocateFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kModeFieldNumber = 3,
    kOffsetFieldNumber = 4,
    kLenFieldNumber = 5,
    kSizeFieldNumber = 6,
    kBlocksFieldNumber = 7,
    kRetFieldNumber = 8,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Mode =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Mode kMode() { return {}; }
  void set_mode(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Mode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Offset =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Offset kOffset() { return {}; }
  void set_offset(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Offset::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Len =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Len kLen() { return {}; }
  void set_len(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Len::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      7,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ret =
    ::protozero::proto_utils::FieldMetadata<
      8,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsFallocateFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ret kRet() { return {}; }
  void set_ret(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ret::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }
};

class F2fsEvictInodeFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/8, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsEvictInodeFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsEvictInodeFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsEvictInodeFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_ino() const { return at<2>().valid(); }
  uint64_t ino() const { return at<2>().as_uint64(); }
  bool has_pino() const { return at<3>().valid(); }
  uint64_t pino() const { return at<3>().as_uint64(); }
  bool has_mode() const { return at<4>().valid(); }
  uint32_t mode() const { return at<4>().as_uint32(); }
  bool has_size() const { return at<5>().valid(); }
  int64_t size() const { return at<5>().as_int64(); }
  bool has_nlink() const { return at<6>().valid(); }
  uint32_t nlink() const { return at<6>().as_uint32(); }
  bool has_blocks() const { return at<7>().valid(); }
  uint64_t blocks() const { return at<7>().as_uint64(); }
  bool has_advise() const { return at<8>().valid(); }
  uint32_t advise() const { return at<8>().as_uint32(); }
};

class F2fsEvictInodeFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsEvictInodeFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kInoFieldNumber = 2,
    kPinoFieldNumber = 3,
    kModeFieldNumber = 4,
    kSizeFieldNumber = 5,
    kNlinkFieldNumber = 6,
    kBlocksFieldNumber = 7,
    kAdviseFieldNumber = 8,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Ino =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Ino kIno() { return {}; }
  void set_ino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Ino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Pino =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Pino kPino() { return {}; }
  void set_pino(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Pino::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Mode =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Mode kMode() { return {}; }
  void set_mode(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Mode::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt64,
      int64_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(int64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Nlink =
    ::protozero::proto_utils::FieldMetadata<
      6,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Nlink kNlink() { return {}; }
  void set_nlink(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Nlink::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Blocks =
    ::protozero::proto_utils::FieldMetadata<
      7,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Blocks kBlocks() { return {}; }
  void set_blocks(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Blocks::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Advise =
    ::protozero::proto_utils::FieldMetadata<
      8,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsEvictInodeFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Advise kAdvise() { return {}; }
  void set_advise(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Advise::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

class F2fsDoSubmitBioFtraceEvent_Decoder : public ::protozero::TypedProtoDecoder</*MAX_FIELD_ID=*/5, /*HAS_NONPACKED_REPEATED_FIELDS=*/false> {
 public:
  F2fsDoSubmitBioFtraceEvent_Decoder(const uint8_t* data, size_t len) : TypedProtoDecoder(data, len) {}
  explicit F2fsDoSubmitBioFtraceEvent_Decoder(const std::string& raw) : TypedProtoDecoder(reinterpret_cast<const uint8_t*>(raw.data()), raw.size()) {}
  explicit F2fsDoSubmitBioFtraceEvent_Decoder(const ::protozero::ConstBytes& raw) : TypedProtoDecoder(raw.data, raw.size) {}
  bool has_dev() const { return at<1>().valid(); }
  uint64_t dev() const { return at<1>().as_uint64(); }
  bool has_btype() const { return at<2>().valid(); }
  int32_t btype() const { return at<2>().as_int32(); }
  bool has_sync() const { return at<3>().valid(); }
  uint32_t sync() const { return at<3>().as_uint32(); }
  bool has_sector() const { return at<4>().valid(); }
  uint64_t sector() const { return at<4>().as_uint64(); }
  bool has_size() const { return at<5>().valid(); }
  uint32_t size() const { return at<5>().as_uint32(); }
};

class F2fsDoSubmitBioFtraceEvent : public ::protozero::Message {
 public:
  using Decoder = F2fsDoSubmitBioFtraceEvent_Decoder;
  enum : int32_t {
    kDevFieldNumber = 1,
    kBtypeFieldNumber = 2,
    kSyncFieldNumber = 3,
    kSectorFieldNumber = 4,
    kSizeFieldNumber = 5,
  };

  using FieldMetadata_Dev =
    ::protozero::proto_utils::FieldMetadata<
      1,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsDoSubmitBioFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Dev kDev() { return {}; }
  void set_dev(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Dev::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Btype =
    ::protozero::proto_utils::FieldMetadata<
      2,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kInt32,
      int32_t,
      F2fsDoSubmitBioFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Btype kBtype() { return {}; }
  void set_btype(int32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Btype::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kInt32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Sync =
    ::protozero::proto_utils::FieldMetadata<
      3,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsDoSubmitBioFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Sync kSync() { return {}; }
  void set_sync(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Sync::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Sector =
    ::protozero::proto_utils::FieldMetadata<
      4,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint64,
      uint64_t,
      F2fsDoSubmitBioFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Sector kSector() { return {}; }
  void set_sector(uint64_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Sector::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint64>
        ::Append(*this, field_id, value);
  }

  using FieldMetadata_Size =
    ::protozero::proto_utils::FieldMetadata<
      5,
      ::protozero::proto_utils::RepetitionType::kNotRepeated,
      ::protozero::proto_utils::ProtoSchemaType::kUint32,
      uint32_t,
      F2fsDoSubmitBioFtraceEvent>;

  // Ceci n'est pas une pipe.
  // This is actually a variable of FieldMetadataHelper<FieldMetadata<...>>
  // type (and users are expected to use it as such, hence kCamelCase name).
  // It is declared as a function to keep protozero bindings header-only as
  // inline constexpr variables are not available until C++17 (while inline
  // functions are).
  // TODO(altimin): Use inline variable instead after adopting C++17.  
  static constexpr FieldMetadata_Size kSize() { return {}; }
  void set_size(uint32_t value) {
    static constexpr uint32_t field_id = FieldMetadata_Size::kFieldId;
    // Call the appropriate protozero::Message::Append(field_id, ...)
    // method based on the type of the field.
    ::protozero::internal::FieldWriter<
      ::protozero::proto_utils::ProtoSchemaType::kUint32>
        ::Append(*this, field_id, value);
  }
};

} // Namespace.
} // Namespace.
} // Namespace.
#endif  // Include guard.