Protocol Buffers Version 2 Language Specification
This topic is a language specification reference for version 2 of the Protocol Buffers language (proto2).
Protocol Buffers Reference
This section contains language-agnostic information about how to use protocol buffers.
Protocol Buffers Version 3 Language Specification
This topic is a language specification reference for version 3 of the Protocol Buffers language (proto3).
Text Format Language Specification
The protocol buffer Text Format Language specifies a syntax for representation of protobuf data in text form, which is often useful for configurations or tests.
Protocol Buffers Well-Known Types
API documentation for the google.protobuf package.