complex.proto

syntax = "proto2";
package helloworld;

message Complex {
  required string name = 1;
  repeated Enum myEnum = 2 [packed=true];
  map<string, string> myMap = 3;
  optional Node tree = 4;
  optional int32 myInt = 5 [default=1];
  optional bytes myBytes = 6;
}

message Node {
 optional int32 value = 1 [default=0];
 repeated Node children = 2;
 optional bool root = 3;
}

enum Enum {
  VALUE1 = 0;
  VALUE2 = 1;
}