assertTrue(message.isFlagSet(DcerpcConstants.RPC_C_PF_NO_FRAGMENT));

            // Test unsetting a non-existing flag
            message.flags = DcerpcConstants.RPC_C_PF_BROADCAST;
            message.unsetFlag(DcerpcConstants.RPC_C_PF_IDEMPOTENT);
            assertTrue(message.isFlagSet(DcerpcConstants.RPC_C_PF_BROADCAST));
        }

        @Test

     *
     * @return the logger instance
     */
    @Nonnull
    Logger logger();

    /**
     * Returns the factory for creating message builders.
     *
     * @return the message builder factory
     */
    @Nonnull
    MessageBuilderFactory messageBuilderFactory();

    /**
     * Returns the command-line arguments to be parsed.
     *

```JSON hl_lines="4-16"
{
    "components": {
        "schemas": {
            "Message": {
                "title": "Message",
                "required": [
                    "message"
                ],
                "type": "object",
                "properties": {
                    "message": {
                        "title": "Message",
                        "type": "string"
                    }

        // Test with URL, message, and exception (abort defaults to false)
        String url = "http://example.com/test";
        String message = "Test error message";
        Exception cause = new RuntimeException("Root cause");

        DataStoreCrawlingException exception = new DataStoreCrawlingException(url, message, cause);

        assertEquals(url, exception.getUrl());

          message.startsWith("System property ") -> Type.Setup
          message.startsWith("Reload ") -> Type.Setup
          message == "No session to resume." -> Type.Handshake
          message.startsWith("Consuming ") -> Type.Handshake
          message.startsWith("Produced ") -> Type.Handshake
          message.startsWith("Negotiated ") -> Type.Handshake

    }

    default void add(BuilderProblem.Severity severity, ModelProblem.Version version, String message) {
        add(severity, version, message, null, null);
    }

    default void add(
            BuilderProblem.Severity severity, ModelProblem.Version version, String message, InputLocation location) {
        add(severity, version, message, location, null);
    }

    default void add(

@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = CronExpressionValidator.class)
public @interface CronExpression {

    /**
     * The error message when validation fails.
     * @return the error message
     */
    String message() default "{org.lastaflute.validator.constraints.CronExpression.message}";

    /**
     * The validation groups this constraint belongs to.
     * @return the groups
     */

```json hl_lines="4-16"
{
    "components": {
        "schemas": {
            "Message": {
                "title": "Message",
                "required": [
                    "message"
                ],
                "type": "object",
                "properties": {
                    "message": {
                        "title": "Message",
                        "type": "string"
                    }
                }

     */
    /**
     * Creates a Type-3 message in response to the given Type-2 message.
     *
     * @param type2 the Type-2 message to respond to
     * @param password the user's password
     * @param domain the domain name
     * @param user the username
     * @param workstation the workstation name
     * @param flags the flags to use for the Type-3 message
     */

            // Then: Should have correct values
            assertEquals(0x3e, message.getOpnum());
            assertEquals("system", message.system_name);
            assertEquals(456, message.unknown);
            assertEquals(123, message.access_mask);
            assertEquals(mockPolicyHandle, message.handle);
        }

        @Test
        @DisplayName("Should encode input with non-null system name")