code: public static Type<FormSubmitHandler<?>> getType() {
      if (type == null) { // NOPMD it's thread save!
        synchronized (FormSubmitHandler.class) {
          if (type == null) {
            type = new Type<>();
          }
        }
      }
      return type;
    }
docs: Gets the type associated with this event.
  
  @return returns the handler type