##
18.1.1 Configuration Objects

Configuration objects (returned by `newconfig()` have the following methods:

`getqueuesize` ()
  Return the queue size.

`setqueuesize` (size)
  Set the queue size.

`getwidth` ()
  Get the sample width.

`setwidth` (width)
  Set the sample width.

`getchannels` ()
  Get the channel count.

`setchannels` (nchannels)
  Set the channel count.

`getsampfmt` ()
  Get the sample format.

`setsampfmt` (sampfmt)
  Set the sample format.

`getfloatmax` ()
  Get the maximum value for floating sample formats.

`setfloatmax` (floatmax)
  Set the maximum value for floating sample formats.