docs: public PredicatesHandler addPredicatedHandler(final Predicate predicate, final HandlerWrapper handlerWrapper, final HandlerWrapper elseBranch) {
          Holder[] old = handlers;
          Holder[] handlers = new Holder[old.length + 1];
          System.arraycopy(old, 0, handlers, 0, old.length);
          HttpHandler elseHandler = elseBranch != null ? elseBranch.wrap(this) : null;
          handlers[old.length] = new Holder(predicate, handlerWrapper.wrap(this), elseHandler);
          this.handlers = handlers;
          return this;
      }