src/vs/workbench/services/workingCopy/common/workingCopyBackupService.ts/InMemoryWorkingCopyBackupService/toBackupResource
class InMemoryWorkingCopyBackupService:	toBackupResource(identifier: IWorkingCopyIdentifier): URI {
		return URI.from({ scheme: Schemas.inMemory, path: hashIdentifier(identifier) });
	}