syntax = "proto2";

package a;

import "3.proto";
import "4.proto";

message One {
  optional int32 one = 1;
  optional int32 two = 2;
}

message Nine {
  optional int32 one = 1;
  optional int32 three = 3;
}

extend Foo {
  optional bytes meta = 20;
  optional Foo ch = 22;
}

extend b.Fizz {
  optional b.Fizz child = 22;
}
