src/vs/workbench/services/workingCopy/common/workingCopyHistoryService.ts/WorkingCopyHistoryService/updateEntry
class WorkingCopyHistoryService:	async updateEntry(entry: IWorkingCopyHistoryEntry, properties: { source: SaveSource }, token: CancellationToken): Promise<void> {

		// Resolve history model for working copy
		const model = await this.getModel(entry.workingCopy.resource);
		if (token.isCancellationRequested) {
			return;
		}

		// Rename in model
		return model.updateEntry(entry, properties, token);
	}