in src/main/java/org/jetbrains/jetCheck/StructureNode.java [156:164]
private ShrinkStep shrinkRecursion() {
if (id.generatorHash != null) {
List<StructureNode> sameGeneratorChildren = new ArrayList<>();
findChildrenWithGenerator(id.generatorHash, sameGeneratorChildren);
return tryReplacing(sameGeneratorChildren, 0);
}
return null;
}