src/vs/workbench/services/workingCopy/common/workingCopyBackupService.ts/WorkingCopyBackupService/resolve
class WorkingCopyBackupService:	resolve<T extends IWorkingCopyBackupMeta>(identifier: IWorkingCopyIdentifier): Promise<IResolvedWorkingCopyBackup<T> | undefined> {
		return this.impl.resolve(identifier);
	}