public function findConfigs()
{
// find our SPv2.0-style config files
$this->list = array_merge($this->list, $this->findJsonConfigs());
// find our SPv2.3-style config files
$this->list = array_merge($this->list, $this->findPhpConfigs());
// we want our list of configs to be sorted, to make presentation
// to end-users easier
ksort($this->list);
// all done
}