/// CustomLowerResults - Replace the node's results with custom code provided
/// by the target and return "true", or do nothing and return "false".
/// The last parameter is FALSE if we are dealing with a node with legal
/// CustomLowerResults - Replace the node's results with custom code provided
/// by the target and return "true", or do nothing and return "false".
/// The last parameter is FALSE if we are dealing with a node with legal