this.guid_;},get stableId(){throw new Error('Not implemented');},get bounds(){return this.bounds_;},updateBounds(){throw new Error('Not 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()){yie...