code: function connectHandlers (decorator, event) {
      const handlers = Metadata.getClassMeta(Object.getPrototypeOf(self), decorator, Object.create(null));
      for (const f of Object.keys(handlers)) {
        ravelInstance.once(event, (...args) => {
          ravelInstance.$log.trace(`${name}: Invoking ${decorator} ${f}`);
          handlers[f].apply(self, args);
        });
      }
    }
docs: connect any Ravel lifecycle handlers to the appropriate events