import { PathSpec, type ReaddirFn } from '../../../types.ts';
export declare function backupControl(cmdName: string, value: string | boolean | undefined, suffix: string | null): string | null;
export declare function siblingPath(path: PathSpec, appended: string): PathSpec;
export declare function parentPath(path: PathSpec): PathSpec;
export declare function backupTarget(readdir: ReaddirFn | undefined, target: PathSpec, control: string, suffix: string): Promise<PathSpec | null>;
//# sourceMappingURL=backup.d.ts.map