public function getGroups() {
		// Make sure all array keys are lowercase.
		$this->deprecated_classes = array_change_key_case( $this->deprecated_classes, CASE_LOWER );

		return array(
			'deprecated_classes' => array(
				'classes' => array_keys( $this->deprecated_classes ),
			),
		);
	}
public function getGroups() {
		// Make sure all array keys are lowercase.
		$this->deprecated_classes = array_change_key_case( $this->deprecated_classes, CASE_LOWER );

		return array(
			'deprecated_classes' => array(
				'classes' => array_keys( $this->deprecated_classes ),
			),
		);
	}
public function getGroups ( ) { // Make sure all array keys are lowercase. $ this -> deprecated_classes = array_change_key_case ( $ this -> deprecated_classes , CASE_LOWER ) ; return array ( 'deprecated_classes' => array ( 'classes' => array_keys ( $ this -> deprecated_classes ) , ) , ) ; }
Groups of classes to restrict.

@return array
Groups of classes to restrict .