diff --git a/src/com/google/inject/binder/LinkedBindingBuilder.java b/src/com/google/inject/binder/LinkedBindingBuilder.java
new file mode 100644
index 0000000..f82e2a0
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+++ b/src/com/google/inject/binder/LinkedBindingBuilder.java
@@ -0,0 +1,70 @@
+/**
+ * Copyright (C) 2006 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.inject.binder;
+
+import com.google.inject.Key;
+import com.google.inject.Provider;
+import com.google.inject.TypeLiteral;
+
+/**
+ * Links a binding to another binding or an instance.
+ *
+ * @author crazybob@google.com (Bob Lee)
+ */
+public interface LinkedBindingBuilder<T> extends ScopedBindingBuilder {
+
+  /**
+   * Binds to another binding with the specified type.
+   */
+  ScopedBindingBuilder to(Class<? extends T> implementation);
+
+  /**
+   * Binds to another binding with the specified type.
+   */
+  ScopedBindingBuilder to(TypeLiteral<? extends T> implementation);
+
+  /**
+   * Binds to another binding with the specified key. 
+   */
+  ScopedBindingBuilder to(Key<? extends T> targetKey);
+
+  /**
+   * Binds to the given instance. The Injector will automatically inject the
+   * members of this instance when it is first created. See {@link
+   * com.google.inject.Injector#injectMembers(Object)}.
+   */
+  void toInstance(T instance);
+
+  /**
+   * Binds to instances generated by the given Provider. The Injector will
+   * automatically inject the members of this provider instance when it is first
+   * created. See {@link com.google.inject.Injector#injectMembers(Object)}.
+   */
+  ScopedBindingBuilder toProvider(Provider<? extends T> provider);
+
+  /**
+   * Binds to instances from the provider bound to the given provider type.
+   */
+  ScopedBindingBuilder toProvider(
+      Class<? extends Provider<? extends T>> providerType);
+
+  /**
+   * Binds to instances from the provider bound to the given key.
+   */
+  ScopedBindingBuilder toProvider(
+      Key<? extends Provider<? extends T>> providerKey);
+}