}

    private static final String VALUE_NOT_SET = "VALUE_NOT_SET";

    public static void reportValueNotSet(String propertyName, TypeValidationContext context, boolean hasConfigurableValue) {
        context.visitPropertyProblem(problem -> {
            ProblemSpec problemSpec = problem.forProperty(propertyName)

            absl::StrCat("Attribute ", value.DebugString()));
      }
      return builder->getArrayAttr(llvm::ArrayRef(attrs.begin(), attrs.end()));
    }
    case AttrValue::VALUE_NOT_SET:
      return builder->getUnitAttr();
    // kPlaceholder is not implemented.
    case AttrValue::kPlaceholder:
      return mlir::TF::PlaceholderAttr::get(builder->getContext(),

string AttrView::AttrNameString() const { return Quoted(attr_.name()); }

string AttrView::DefaultValue() const {
  const AttrValue &attr_value = attr_.default_value();
  switch (attr_value.value_case()) {
    case AttrValue::VALUE_NOT_SET:
      return "";
    case AttrValue::kType:
      return DataType_Name(attr_value.type());
    case AttrValue::kS:
      return "\"" + attr_value.s() + "\"";
    case AttrValue::kI:

    }

    String missingValueMessage(@DelegatesTo(value = SimpleMessage, strategy = Closure.DELEGATE_FIRST) Closure<?> spec = {}) {
        def config = display(SimpleMessage, 'value_not_set', spec)
        config.description("doesn't have a configured value")
            .reason("this property isn't marked as optional and no value has been configured")
            .solution("Assign a value to '${config.property}'")

Reason: This property isn't marked as optional and no value has been configured.

Possible solutions:
  1. Assign a value to 'someProperty'.
  2. Mark property 'someProperty' as optional.

${validationMessage("value_not_set")}
"""
    }

    def "tests outputof methodShouldNotBeAnnotatedMessage"() {
        when:
        render methodShouldNotBeAnnotatedMessage {
            type('MyTask')
            kind('method')

- link:{javadocPath}/org/gradle/api/tasks/Classpath.html[`Classpath`]
- link:{javadocPath}/org/gradle/api/tasks/CompileClasspath.html[`CompileClasspath`]

[[value_not_set]]
== Required value isn't set

This error indicates that a property expected a value but none was provided.

      *list_size = -1;
      *total_size = -1;
      break;

    case tensorflow::AttrValue::kFunc:
      *list_size = -1;
      *total_size = -1;
      break;

    case tensorflow::AttrValue::VALUE_NOT_SET:
      status->status = absl::InvalidArgumentError(
          absl::StrCat("Attribute '", attr_name, "' has no value set"));
      break;
  }
}

      }
    } break;
    case tensorflow::AttrValue::kTensor:
      TF_FALLTHROUGH_INTENDED;
    case tensorflow::AttrValue::kPlaceholder:
      TF_FALLTHROUGH_INTENDED;
    case tensorflow::AttrValue::VALUE_NOT_SET:
      TF_SetStatus(
          status, TF_UNIMPLEMENTED,
          tensorflow::strings::StrCat("Unable to get setfor default value: ",
                                      default_value.DebugString())

    return;
  }

  if (strcmp(attr_name, tensorflow::kColocationAttrName) == 0) {
    if (attr_value.value_case() != tensorflow::AttrValue::kList &&
        attr_value.value_case() != tensorflow::AttrValue::VALUE_NOT_SET) {
      status->status =
          InvalidArgument("Expected \"list\" field for \"",
                          tensorflow::kColocationAttrName, "\" attribute");
      return;
    }