1syntax = "proto2";
2package a.b.c;
3
4message TopLevel {
5 optional uint32 field = 1 [default = 0];
6 optional NestedTypeA foo = 2;
7
8 message NestedTypeA {
9 optional NestedTypeB bar = 1;
10
11 message NestedTypeB {
12 optional uint32 foobar = 1;
13 }
14 }
15}
16
17
