code: @Override
      protected void open()
      {
          Graphics.setFactoryGraphic(new FactoryGraphicAwt());
          if (resourcesDir.isPresent())
          {
              final String workingDir = Constant.getSystemProperty(PROPERTY_USER_DIR, Constant.EMPTY_STRING);
              Verbose.info("Resources directory = ", UtilFolder.getPath(workingDir, resourcesDir.get()));
          }
          else
          {
              Verbose.info("Class resources = ", classResource.get().getName());
          }
      }
docs: /*
  Engine