import type { IndexCacheStore } from '../../../cache/index/store.ts';
import { PathSpec, type StatFn } from '../../../types.ts';
export type BackendKeyFn = (path: PathSpec) => string;
export declare function backendKeyDefault(path: PathSpec): string;
export declare function copyTargets(sources: PathSpec[], dst: PathSpec, dstIsDir: boolean, dstExists?: boolean): [PathSpec, PathSpec][];
export declare function pathExists(stat: StatFn, path: PathSpec): Promise<boolean>;
export declare function isDirectory(stat: StatFn, path: PathSpec, index?: IndexCacheStore): Promise<boolean>;
//# sourceMappingURL=copy.d.ts.map