@Override
      public boolean equals(@Nullable PsiMethod method1, @Nullable PsiMethod method2) {
        return method1 == method2 ||
               (method1 != null &&
                method2 != null &&
                method1.getSignature(PsiSubstitutor.EMPTY).equals(method2.getSignature(PsiSubstitutor.EMPTY)));
      }
@Override
      public boolean equals(@Nullable PsiMethod method1, @Nullable PsiMethod method2)