int (@Nullable PsiElement element) { if (element == null) return 0; String text = ReadAction.compute(() -> { PsiElement elementToCompare = substituteElement(element); return elementToCompare instanceof PsiNamedElement ? ((PsiNamedElement)elementToCompare).getName() : AstBufferUtil.getTextSkippingWhitespaceComments(elementToCompare.getNode()); }); return Comparing.hashcode(text); }