TreePsiFragment (NodeSpecificHasher hasher, PsiElement root,int cost) { if (myForIndexing) { return new TreePsiFragment(hasher, root, cost) { @Override protected PsiAnchor createAnchor(PsiElement element) { return new PsiAnchor.HardReference(element); } @Override protected Language calcLanguage(PsiElement element) { return null; // for performance } }; } return new TreePsiFragment(hasher, root, cost); }