@NotNull
  public static MethodSignatureBackedByPsiMethod create(@NotNull PsiMethod method, @NotNull PsiSubstitutor substitutor) {
    return create(method, substitutor, PsiUtil.isRawSubstitutor(method, substitutor));
  }
@NotNull
  public static MethodSignatureBackedByPsiMethod create(@NotNull PsiMethod method, @NotNull PsiSubstitutor substitutor)