# File lib/net/sftp/protocol/01/impl.rb, line 44
    def initialize( buffers, driver, assistant, attr_factory )
      @buffers = buffers
      @driver = driver
      @assistant = assistant
      @attr_factory = attr_factory
      @on_status = nil
      @on_handle = nil
      @on_data = nil
      @on_name = nil
      @on_attrs = nil
    end