<?php namespace Nextend\Framework\Form; interface ContainedInterface { /** * @return ContainedInterface|null */ public function getPrevious(); /** * @param ContainedInterface|null $element */ public function setPrevious($element = null); /** * @return ContainedInterface|null */ public function getNext(); /** * @param ContainedInterface|null $element */ public function setNext($element = null); public function remove(); /** * @return ContainerInterface */ public function getParent(); /** * @return string */ public function getPath(); public function render(); }