private static boolean isMultipleInterfacesImplementation(PsiMethod method,
                                                            PsiMethod originalMethod,
                                                            PsiElement[] allElementsToDelete) {
    PsiMethod[] methods = method.findSuperMethods();
    for(PsiMethod superMethod: methods) {
      if (ArrayUtil.find(allElementsToDelete, superMethod) < 0 && !MethodSignatureUtil.isSuperMethod(originalMethod, superMethod)) {
        return true;
      }
    }
    return false;
  }
private static boolean isMultipleInterfacesImplementation(PsiMethod method,
                                                            PsiMethod originalMethod,
                                                            PsiElement[] allElementsToDelete)