implemented');},shiftTimestampsForward(amount){throw new Error('Not implemented');},*childEvents(){},*getDescendantEvents(){yield*this.childEvents();for(const container of this.childEventContainers()){yield*container.getDescendantEvents();}},*childEventContainers(){},*getDescendantEventContainers(){yield this;for(const container of this.childEventContainers()){yield*container.getDescendantEventContainers();}},*getDescendantEventsInSortedRanges(ranges,opt_containerPredicate){if(opt_containerPredicate===undefined||...