src/vs/workbench/services/workingCopy/common/workingCopyHistoryService.ts/WorkingCopyHistoryModel/toHistoryEntriesFolder
class WorkingCopyHistoryModel:	private toHistoryEntriesFolder(historyHome: URI, workingCopyResource: URI): URI {
		return joinPath(historyHome, hash(workingCopyResource.toString()).toString(16));
	}