void (PsiVariable variable) { if (variable == null) return; if (myConfiguration.getAdvancedConfiguration().getDfaOption() != Configuration.DfaOption.OFF) { ReferencesSearch.search(variable, searchScope).forEach(psiReference -> { PsiElement element = psiReference.getElement(); if (element instanceof PsiExpression refExpression) { places.add(refExpression); if (!myUnparsable) { myUnparsable = checkUnparsableReference(refExpression); } } return true; }); } }