@Override
  @Nullable
  public PsiMethod generateMethodPrototype(@NotNull PsiField field, @NotNull String methodName, boolean isGetter) {
    PsiMethod prototype = isGetter
                          ? GenerateMembersUtil.generateGetterPrototype(field)
                          : GenerateMembersUtil.generateSetterPrototype(field);
    try {
      prototype.setName(methodName);
      return prototype;
    }
    catch (IncorrectOperationException e) {
      return null;
    }
  }
@Override
  @Nullable
  public PsiMethod generateMethodPrototype(@NotNull PsiField field, @NotNull String methodName, boolean isGetter)