* @param done true if this is the final chunk
     */
    void onChunk(String chunk, boolean done);

    /**
     * Called when an error occurs during streaming.
     *
     * @param error the error that occurred
     */
    default void onError(final Throwable error) {
        // Default implementation does nothing
    }

    /** The message code for internationalized error messages. */
    private final transient VaMessenger<FessMessages> messageCode;

    /**
     * Constructs a new SSO message exception with message code, detailed message, and cause.
     *
     * @param messageCode The message code for internationalized error display
     * @param message The detailed error message
     * @param cause The underlying cause of this exception

        });

        eventSource.addEventListener('error', function(e) {
            state.errorHandled = true;
            var errorMessage = config.labels.error;
            try {
                var data = JSON.parse(e.data);
                if (data.errorCode && config.labels.errors && config.labels.errors[data.errorCode]) {
                    errorMessage = config.labels.errors[data.errorCode];
                } else if (data.message) {

            public void onChunk(String content, boolean done) {
                events.add("chunk:" + content + ":" + done);
            }

            @Override
            public void onError(String phase, String errorMessage) {
                events.add("error:" + phase + ":" + errorMessage);
            }
        };

        // Test onPhaseStart
        callback.onPhaseStart(ChatPhaseCallback.PHASE_INTENT, "Analyzing...");

     */
    void onChunk(String content, boolean done);

    /**
     * Called when an error occurs during processing.
     *
     * @param phase the phase where the error occurred
     * @param error the error message
     */
    void onError(String phase, String error);

    /**
     * Returns a no-op callback implementation.
     *
     * @return a callback that does nothing
     */

 *
 * This exception is used to indicate errors that occur during the execution
 * of SSO authentication and authorization processes. It extends FessSystemException
 * to provide consistent error handling within the Fess system for SSO-related
 * processing failures such as token validation errors, communication failures
 * with SSO providers, or configuration issues.
 */

 */
package org.codelibs.fess.exception;

/**
 * Exception for plugin-related errors.
 */
public class PluginException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Creates a plugin exception with message and cause.
     *
     * @param message the error message
     * @param cause the cause
     */

        Exception level3 = new RuntimeException("Level 3 error");
        Exception level2 = new IllegalStateException("Level 2 error", level3);
        Exception level1 = new IOException("Level 1 error", level2);
        SsoLoginException exception = new SsoLoginException("Top level SSO error", level1);

        assertEquals("Top level SSO error", exception.getMessage());

        // Verify the exception chain

                callCount++;
                throw new RuntimeException("Error " + callCount);
            }
        };
        ComponentUtil.register(mockSearchLogHelper, "searchLogHelper");

        // First execution
        String result1 = aggregateLogJob.execute();
        assertNotNull(result1);
        assertTrue(result1.contains("Error 1"));

        // Second execution

     * @param cause the cause of the exception
     */
    public GsaConfigException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new GSA configuration exception with the specified detail message.
     *
     * @param message the detail message describing the configuration error
     */