public function getRawDataType()
	{
		if ( !isset($this->dataType) ) {
			/* @var $annotations VarAnnotation[] */
			$annotations = $this->annotationManager->getPropertyAnnotations($this, null, '@var');

			if ( $annotations && ($annotations[0] instanceof VarAnnotation) ) {
				$this->dataType = $annotations[0]->type;
			}
			else {
				$this->dataType = '';
			}
		}

		return $this->dataType;
	}