public function getHelperSet(): HelperSet
	{
		if (!$this->helperSet)
		{
			$this->helperSet = $this->getDefaultHelperSet();
		}

		return $this->helperSet;
	}
public function getHelperSet(): HelperSet
	{
		if (!$this->helperSet)
		{
			$this->helperSet = $this->getDefaultHelperSet();
		}

		return $this->helperSet;
	}
public function getHelperSet ( ) : HelperSet { if ( ! $ this -> helperSet ) { $ this -> helperSet = $ this -> getDefaultHelperSet ( ) ; } return $ this -> helperSet ; }
Get the helper set associated with the application.

@return  HelperSet
Get the helper set associated with the application .