public function displayNode( $node )
	{
		return ! isset( $node['label'] ) ||
			(
				! $this->nodeIsHypercube( $node ) &&
				! $this->nodeIsLineItemsAxis( $node ) &&
				! $this->nodeIsAxis( $node ) /* &&
				(
					( isset( $node['children'] ) && count( $node['children'] ) ) ||
					( isset( $node['elements'] ) && count( $node['elements'] ) )
				) */
			);
	}