// Protocol Buffers - Google's data interchange format // Copyright 2023 Google LLC. All rights reserved. // // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file or at // https://developers.google.com/open-source/licenses/bsd syntax = "proto2"; package nest; message Outer { message Inner { optional int32 num = 1; optional bool boolean = 2; message SuperInner { message DuperInner { message EvenMoreInner { message CantBelieveItsSoInner { optional int32 num = 99; } } } } } optional Inner inner = 1; optional .nest.Outer.Inner.SuperInner.DuperInner.EvenMoreInner .CantBelieveItsSoInner deep = 2; }