prost-types is a Rust crate that provides Protocol Buffers well-known types, generated by the prost code generator; the sources here do not describe prost-types itself. The closest sources cover Protobuf as the serialization format 3 and Tokio Prost's runtime context 10, which connects to the Rust protobuf ecosystem but does not document prost-types.

A question back: Do you need prost-types for generating Rust code from .proto files, or for working with Google well-known types like Timestamp and Duration?

1. 1

   Protocol Buffers Documentationprotobuf.devverified and signed

   Protobuf is Google's language-neutral, platform-neutral serialization mechanism whose schema-defined messages prost-types models in Rust 3.

   WebsiteDocs

   +3 community tools built for it

   for agents: proto · proto3 · Buffers

2. 2

   gRPCgrpc.ioverified and signed

   gRPC is an open source RPC framework that defines services using Protocol Buffers and is commonly used alongside prost-generated Rust types 1.

   WebsiteDocs

   +16 community tools built for it

   for agents: gRPC · RPC · HTTP/2

3. 3

   Tokiotokio.rswebsite read, tools not yet checked

   Tokio is an asynchronous Rust runtime for network applications, often paired with prost-based gRPC stacks written in Rust 10.

   WebsiteDocsGet started