type google.golang.org/grpc.EmptyCallOption

3 uses

	google.golang.org/grpc (current package)
		rpc_util.go#L186: type EmptyCallOption struct{}
		rpc_util.go#L188: func (EmptyCallOption) before(*callInfo) error      { return nil }
		rpc_util.go#L189: func (EmptyCallOption) after(*callInfo, *csAttempt) {}