src/vs/workbench/contrib/localHistory/browser/localHistoryTimeline.ts/LocalHistoryTimeline/onDidChangeWorkingCopyHistoryEntry
class LocalHistoryTimeline:	private onDidChangeWorkingCopyHistoryEntry(entry: IWorkingCopyHistoryEntry | undefined): void {

		// Re-emit as timeline change event
		this._onDidChange.fire({
			id: LocalHistoryTimeline.ID,
			uri: entry?.workingCopy.resource,
			reset: true // there is no other way to indicate that items might have been replaced/removed
		});
	}