* @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */
    void add(SettingsProblem.Severity severity, String message, int line, int column, Exception cause);

                }
            });
        } catch (RuntimeException e) {
            if (e.getCause() instanceof PluginResolutionException pluginResolutionException) {
                throw pluginResolutionException;
            }
            if (e.getCause() instanceof PluginContainerException pluginContainerException) {
                throw pluginContainerException;
            }

    /**
     * Constructs a new FessSystemException with the specified detail message and cause.
     *
     * @param message the detail message describing the exception
     * @param cause the cause of this exception
     */
    public FessSystemException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new FessSystemException with the specified detail message.

    assertThat(expected).hasCauseThat().isEqualTo(cause);

    Object newValue = new Object();
    valueRef.set(newValue);
    assertThat(cache.getUnchecked(new Object())).isSameInstanceAs(newValue);
  }

  public void testGetUnchecked_unchecked() {
    RuntimeException cause = new RuntimeException();
    AtomicReference<Object> valueRef = new AtomicReference<>();
    LoadingCache<Object, Object> cache =

        this.originalMessage = originalMessage;
    }

    public PluginConfigurationException(PluginDescriptor pluginDescriptor, String originalMessage, Throwable cause) {
        super(originalMessage, cause);
        this.pluginDescriptor = pluginDescriptor;
        this.originalMessage = originalMessage;
    }

    /**
     * Ctor left for binary compatibility.
     *

     * Creates a {@link ClassNotFoundRuntimeException}.
     *
     * @param cause the underlying exception
     */
    public ClassNotFoundRuntimeException(final ClassNotFoundException cause) {
        this(null, cause);
    }

    /**
     * Creates a {@link ClassNotFoundRuntimeException}.
     *
     * @param className the class name
     * @param cause the underlying exception
     */

    /**
     * Creates a new {@link UnsupportedEncodingRuntimeException} with the specified cause.
     *
     * @param cause
     *            the cause
     */
    public UnsupportedEncodingRuntimeException(final UnsupportedEncodingException cause) {
        super("ECL0105", new Object[] { cause.getMessage() }, cause);
    }

    public TwoArgConstructorException(String message, Throwable cause) {
      super(message, cause);
    }
  }

  public static final class TwoArgConstructorRuntimeException extends RuntimeException {
    public TwoArgConstructorRuntimeException(String message, Throwable cause) {
      super(message, cause);
    }
  }

  public static final class ExceptionWithPrivateConstructor extends Exception {

    public TwoArgConstructorException(String message, Throwable cause) {
      super(message, cause);
    }
  }

  public static final class TwoArgConstructorRuntimeException extends RuntimeException {
    public TwoArgConstructorRuntimeException(String message, Throwable cause) {
      super(message, cause);
    }
  }

  public static final class ExceptionWithPrivateConstructor extends Exception {

	APICode string // The API error code identifying the error
	Err     string // The error message returned to the client
	Cause   error  // Optional, lower level error cause.
}

func (e Error) Error() string {
	if e.Cause == nil {
		return e.Err
	}
	return fmt.Sprintf("%s: %v", e.Err, e.Cause)
}

func errKeyCreationFailed(err error) Error {
	return Error{
		Code:    http.StatusInternalServerError,