docs: public TomcatBoot valve(Valve yourValve) {
          if (yourValve == null) {
              throw new IllegalArgumentException("The argument 'yourValve' should not be null.");
          }
          if (yourValveOption == null) {
              yourValveOption = new YourValveOption();
          }
          yourValveOption.valve(yourValve);
          return this;
      }