# 程序包com.google.protobuf的分层结构

程序包分层结构:

- 所有程序包

## 类分层结构

- java.lang.Object
  - com.google.protobuf.AbstractMessageLite<MessageType,​BuilderType> (implements com.google.protobuf.MessageLite)
    - com.google.protobuf.AbstractMessage (implements com.google.protobuf.Message)
      - com.google.protobuf.GeneratedMessageV3 (implements java.io.Serializable)
        - com.google.protobuf.Empty (implements com.google.protobuf.EmptyOrBuilder)
  - com.google.protobuf.AbstractMessageLite.Builder<MessageType,​BuilderType> (implements com.google.protobuf.MessageLite.Builder)
    - com.google.protobuf.AbstractMessage.Builder<BuilderType> (implements com.google.protobuf.Message.Builder)
      - com.google.protobuf.GeneratedMessageV3.Builder<BuilderType>
        - com.google.protobuf.Empty.Builder (implements com.google.protobuf.EmptyOrBuilder)
  - com.google.protobuf.EmptyProto

## 接口分层结构

- com.google.protobuf.MessageLiteOrBuilder
  - com.google.protobuf.MessageOrBuilder
    - com.google.protobuf.EmptyOrBuilder