tensorflow/core/ops/compat/ops_history_v1/ReaderReadUpTo.pbtxt

op {
  name: "ReaderReadUpTo"
  input_arg {
    name: "reader_handle"
    type: DT_STRING
    is_ref: true
  }
  input_arg {
    name: "queue_handle"
    type: DT_STRING
    is_ref: true
  }
  input_arg {
    name: "num_records"
    type: DT_INT64
  }
  output_arg {
    name: "keys"
    type: DT_STRING
  }
  output_arg {
    name: "values"
    type: DT_STRING
  }
}