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<?php
declare( strict_types = 1 );
// phpcs doesn't like @copyDoc, apparently:
// phpcs:disable MediaWiki.Commenting.FunctionAnnotations.UnrecognizedAnnotation
// phpcs:disable MediaWiki.Commenting.FunctionComment.MissingParamTag
// phpcs:disable MediaWiki.Commenting.FunctionComment.MissingReturn
namespace Wikimedia\Dodo;
/**
 * NonDocumentTypeChildNode
 *
 * This is a mixin used by Element and CharacterData.
 */
trait NonDocumentTypeChildNode /* implements \Wikimedia\IDLeDOM\NonDocumentTypeChildNode */ {
    use \Wikimedia\IDLeDOM\Stub\NonDocumentTypeChildNode;
    /**
     * @copyDoc \Wikimedia\IDLeDOM\NonDocumentTypeChildNode::getNextElementSibling()
     */
    public function getNextElementSibling() {
        '@phan-var Node $this'; // @var Node $this
        if ( $this->_parentNode === null ) {
            return null;
        }
        for ( $n = $this->getNextSibling(); $n !== null; $n = $n->getNextSibling() ) {
            if ( $n->getNodeType() === Node::ELEMENT_NODE ) {
                return $n;
            }
        }
        return null;
    }
    /**
     * @copyDoc \Wikimedia\IDLeDOM\NonDocumentTypeChildNode::getPreviousElementSibling()
     */
    public function getPreviousElementSibling() {
        '@phan-var Node $this'; // @var Node $this
        if ( $this->_parentNode === null ) {
            return null;
        }
        for ( $n = $this->getPreviousSibling(); $n !== null; $n = $n->getPreviousSibling() ) {
            if ( $n->getNodeType() === Node::ELEMENT_NODE ) {
                return $n;
            }
        }
        return null;
    }
}