Type MethodindexPath(for:in:)indexPathForNode:inLayer:indexPathForNode_inLayer_Declarationclass func indexPath(for node: GSNode, in layer: GSLayer) -> IndexPath?Declaration+ (NSIndexPath *) indexPathForNode:(GSNode *) node inLayer:(GSLayer *) layer;DeclarationindexPathForNode_inLayer_(node: GSNode, layer: GSLayer) -> NSIndexPath