src/vs/workbench/contrib/timeline/browser/timelinePane.ts/TimelinePane/onStorageServiceChanged
class TimelinePane:	private onStorageServiceChanged(e: IStorageValueChangeEvent) {
		if (e.key === 'timeline.excludeSources') {
			const excludedSourcesString = this.storageService.get('timeline.excludeSources', StorageScope.PROFILE, '[]');
			this.timelineExcludeSourcesContext.set(excludedSourcesString);
			this.excludedSources = new Set(JSON.parse(excludedSourcesString));

			const missing = this.timelineService.getSources()
				.filter(({ id }) => !this.excludedSources.has(id) && !this.timelinesBySource.has(id));
			if (missing.length !== 0) {
				this.loadTimeline(true, missing.map(({ id }) => id));
			} else {
				this.refresh();
			}
		}
	}