public function getDataSource(string  $source) : Source
	{
		switch ($source) {
			case 'form':
			case 'forms':
				return $this
					->getDataSources()
					->getFormsDataSource();
				break;
			case 'entry':
			case 'entries':
				return $this
					->getDataSources()
					->getEntryDataSource();
				break;
			case 'entryValue':
			case 'entryValues':
				return $this
					->getDataSources()
					->getEntryValuesDataSource();
		}
	}