protoc -I protos/app_api to_app_api.proto --dart_out=grpc:lib/generated google/protobuf/timestamp.proto google/protobuf/duration.proto google/protobuf/any.proto
protoc -I protos/app_api base.proto --dart_out=grpc:lib/generated google/protobuf/timestamp.proto google/protobuf/duration.proto google/protobuf/any.proto