boolean (LighterAST tree, LighterASTNode parent, LighterASTNode node) { if (tree instanceof TreeBackedLighterAST) { return skipChildProcessingWhenBuildingStubs(((TreeBackedLighterAST)tree).unwrap(parent), ((TreeBackedLighterAST)tree).unwrap(node)); } else { return skipChildProcessingWhenBuildingStubs(tree, parent, node); } }