def generated_protocol_buffer?
      return false unless PROTOBUF_EXTENSIONS.include?(extname)
      return false unless lines.count > 1

      return lines[0].include?("Generated by the protocol buffer compiler.  DO NOT EDIT!")
    end
def generated_protocol_buffer?
      return false unless PROTOBUF_EXTENSIONS.include?(extname)
      return false unless lines.count > 1

      return lines[0].include?("Generated by the protocol buffer compiler.  DO NOT EDIT!")
    end
Internal: Is the blob a C++, Java or Python source file generated by the
 Protocol Buffer compiler?

 Returns true or false.