protected function _analyzeSetupResourceClasses()
{
$output = $this->_output;
$this->writeSection($output, 'Analyzing Setup Resource Classes');
$setupResources = $this->_getAllSetupResourceObjects();
$needsUpdate = $this->_getAllSetupResourceObjectThatNeedUpdates($setupResources);
$output->writeln('Found <info>' . count($setupResources) . '</info> configured setup resource(s)</info>');
$output->writeln('Found <info>' . count($needsUpdate) . '</info> setup resource(s) which need an update</info>');
return $needsUpdate;
}