grpc-swift-protobuf/dev/protos/local/test-service.proto

// Leading trivia.
syntax = "proto3";

package test;

// Service docs.
service TestService {
  // Unary docs.
  rpc Unary (TestInput) returns (TestOutput) {}
  // Client streaming docs.
  rpc ClientStreaming (stream TestInput) returns (TestOutput) {}
  // Server streaming docs.
  rpc ServerStreaming (TestInput) returns (stream TestOutput) {}
  // Bidirectional streaming docs.
  rpc BidirectionalStreaming (stream TestInput) returns (stream TestOutput) {}
}

message TestInput {}
message TestOutput {}