protected function _extract() {
		$message = [];

		$message[] = 'A `Catalog` class configuration with an adapter that is capable of';
		$message[] = 'handling read requests for the `messageTemplate` category is needed';
		$message[] = 'in order to proceed. This may also be referred to as `extractor`.';
		$this->out($message);
		$this->out();

		$name = $this->_configuration([
			'adapter' => 'Code',
			'path' => $this->source,
			'scope' => $this->scope
		]);
		$configs = Catalog::config();

		try {
			return Catalog::read($name, 'messageTemplate', 'root', [
				'scope' => $configs[$name]['scope'],
				'lossy' => false
			]);
		} catch (Exception $e) {
			return false;
		}
	}