syntax = "proto3";

package test;

import "google/protobuf/empty.proto";

service Test {
  rpc CompressOutputUnary(google.protobuf.Empty) returns (SomeData);
  rpc CompressInputUnary(SomeData) returns (google.protobuf.Empty);
  rpc CompressOutputServerStream(google.protobuf.Empty) returns (stream SomeData);
  rpc CompressInputClientStream(stream SomeData) returns (google.protobuf.Empty);
  rpc CompressOutputClientStream(stream SomeData) returns (SomeData);
  rpc CompressInputOutputBidirectionalStream(stream SomeData) returns (stream SomeData);
}

message SomeData {
  // include a bunch of data so there actually is something to compress
  bytes data = 1;
}