docs: protected void evaluateRequiredRule(CmmnActivityExecution execution) {
      CmmnActivity activity = execution.getActivity();
  
      Object requiredRule = activity.getProperty(PROPERTY_REQUIRED_RULE);
      if (requiredRule != null) {
        CaseControlRule rule = (CaseControlRule) requiredRule;
        boolean required = rule.evaluate(execution);
        execution.setRequired(required);
      }
    }