interface MetadataInterface

interface MetadataInterface {
    
    /**
     * Returns the strategy for cascading objects.
     *
     * @see CascadingStrategy
     */
    public function getCascadingStrategy() : int;
    
    /**
     * Returns the strategy for traversing traversable objects.
     *
     * @see TraversalStrategy
     */
    public function getTraversalStrategy() : int;
    
    /**
     * Returns all constraints of this element.
     *
     * @return Constraint[]
     */
    public function getConstraints() : array;
    
    /**
     * Returns all constraints for a given validation group.
     *
     * @param string $group The validation group
     *
     * @return Constraint[]
     */
    public function findConstraints(string $group) : array;

}