@Override
            public InternalType getObject() {
                return object;
            }
Notifies all registered listeners that the given operation has failed
against the object represented by this resource.

@param operation
    The operation that failed.

@param failure
    The failure that occurred.

@throws GuacamoleException
    If a listener throws a GuacamoleException from its event handler.
guacamole/src/main/java/org/apache/guacamole/rest/directory/DirectoryObjectResource.java