code: public final void removeWizardListener(@NonNull final WizardListener listener) {
          Condition.INSTANCE.ensureNotNull(listener, "The listener may not be null");
          wizardListeners.remove(listener);
      }
docs: Removes a specific listener, which should not be notified, when the user navigates within the
  activity, if it is used as a wizard.
  
  @param listener
  The listener, which should be removed, as an instance of the type {@link
  WizardListener}. The listener may not be null