code: public static AssistType all() {
          AssistType assistType = new AssistType();
          assistType.nullable = true;
          assistType.string = true;
          assistType.number = true;
          assistType.enumType = true;
          assistType.list = true;
          assistType.obj = true;
          return assistType;
      }
docs: All assist type.
  
  @return the assist type