syntax = "proto2";

package a;

message One {
  option no_standard_descriptor_accessor = true;
}

message Three {
  message Four {
    message Five {
      option no_standard_descriptor_accessor = true;
    }
    message Six {
      extensions 4 to max;
    }
  }
  message Seven {
  }
  message Eight {
    extensions 4 to max;
  }
  option no_standard_descriptor_accessor = true;
}
