##
20.1.1 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.