def inspect
      string  = String.new
      string << "#<#{self.class.name}"
      string << " chunks=#{@chunks.inspect}"
      string << " size=#{size.inspect}"
      string << " encoding=#{encoding.inspect}"
      string << " data=#{data.inspect}"
      string << " on_close=#{@on_close.inspect}"
      string << " rewindable=#{@rewindable.inspect}"
      string << " (closed)" if closed?
      string << ">"
    end
def inspect
      string  = String.new
      string << "#<#{self.class.name}"
      string << " chunks=#{@chunks.inspect}"
      string << " size=#{size.inspect}"
      string << " encoding=#{encoding.inspect}"
      string << " data=#{data.inspect}"
      string << " on_close=#{@on_close.inspect}"
      string << " rewindable=#{@rewindable.inspect}"
      string << " (closed)" if closed?
      string << ">"
    end
Returns useful information about the Down::ChunkedIO object.