/** * Returns the number of child nodes a similar getChildNodes() call would return. * * @param string $nodeTypeFilter If specified, only nodes with that node type are considered * @return integer The number of child nodes * @api */ public function getNumberOfChildNodes($nodeTypeFilter = NULL) { return $this->nodeData->getNumberOfChildNodes($nodeTypeFilter, $this->context->getWorkspace(), $this->context->getDimensions()); }