void (@NotNull PsiClass psiClass, @NotNull String fqn) { Set<String> missingInheritors = new HashSet<>(); missingInheritors.add(fqn); if (psiClass.getPermitsList() == null) { missingInheritors.addAll(findSameFileInheritors(psiClass)); } fillPermitsList(psiClass, missingInheritors); }