protected function beforeDimensionalPruned( $dimensionalNode, &$parentNode )
	{
		return parent::beforeDimensionalPruned( $dimensionalNode, $parentNode );

		// The dimensional information probably contains valid dimensional information
		// That indicate which members of possible hypercubes are valid for the nodes
		// of the parent.

		$members = $this->getValidMembers( $dimensionalNode );
		if ( count( $members ) )
		{
			$parentNode['members'] = $members;
		}

		return true;
	}