protected function _process($path)
{
$original = $contents = $this->Stage->source($path);
$contents = $this->_replaceAppUses($contents);
$contents = $this->_removeDynamicAppUses($contents);
$contents = $this->_addImplicitUses($contents);
$contents = $this->_orderUses($contents);
$contents = $this->_replaceReferences($contents);
return $this->Stage->change($path, $original, $contents);
}