public static Collection<PsiClass> findSameFileInheritorsClasses(@NotNull PsiClass psiClass, PsiClass @NotNull ... classesToExclude) {
    return getClasses(psiClass, Function.identity(), classesToExclude);
  }
public static Collection<PsiClass> findSameFileInheritorsClasses(@NotNull PsiClass psiClass, PsiClass @NotNull ... classesToExclude)