import "steammessages_base.proto"; import "webuimessages_base.proto"; option optimize_for = SPEED; option cc_generic_services = true; message CTransportAuth_Authenticate_Request { optional string auth_key = 1; } message CTransportAuth_Authenticate_Response { } service TransportAuth { option (webui_service_execution_site) = k_EClientExecutionSiteAny; rpc Authenticate (.CTransportAuth_Authenticate_Request) returns (.CTransportAuth_Authenticate_Response); }