code: @SuppressWarnings("unused") // Public API
      public Settings setExitEnabled(boolean enabled) {
          exitType = enabled ? ExitType.ALL : ExitType.NONE;
          return this;
      }
docs: Sets whether to detect and animate exit from gesture views.
  <p>
  Default value is true.
  
  @param enabled Whether exit gesture should be enabled or not
  @return Current settings object for calls chaining