docs: public static boolean getBooleanInitParameter(ExternalContext context, String name, boolean defaultValue)
      {
          if (name == null)
          {
              throw new NullPointerException();
          }
  
          String param = getStringInitParameter(context, name);
          if (param == null)
          {
              return defaultValue;
          }
          else
          {
              return Boolean.parseBoolean(param.toLowerCase());
          }
      }