syntax = "proto3";

package a;

message Two {
  reserved "three";

  int32 one = 1;
}

message Three {
  message Four {
    message Five {
      reserved "three";

      int32 one = 1;
    }
    message Six {
      int32 one = 1;
      int32 two = 2;
      int32 three = 3;
    }
  }
  message Seven {
    reserved "three";

    int32 one = 1;
  }
  message Eight {
    int32 one = 1;
    int32 changed_name = 2;
    int32 three = 3;
  }
  int32 one = 1;
}
