def _deserialize_value(val, raw: false)
      val = val.pack('C*')
      val = @desc.post_process(val) if !raw && @desc.read_processors?
      val
    end
def _deserialize_value(val, raw: false)
      val = val.pack('C*')
      val = @desc.post_process(val) if !raw && @desc.read_processors?
      val
    end
Convert Arrays of bytes returned by DBus to Strings of bytes.