import { IndexEntry } from '@struktoai/mirage-core/cache/index/config';
import type { IndexCacheStore } from '@struktoai/mirage-core/cache/index/store';
import type { HfHubAccessor } from '../../accessor/hf_hub.ts';
/**
 * What sits at one mount-absolute key.
 *
 * `entry` is null for a directory the tree implies but has no row of its own
 * for, which is why a caller must read `isDir` and `exists` rather than
 * testing `entry` for truth.
 */
export interface Found {
    entry: IndexEntry | null;
    children: string[] | null;
}
export declare function isDir(found: Found): boolean;
/**
 * Resolve one mount-absolute key against the mount's listing.
 *
 * The single place the two storage paths are told apart: a workspace mount
 * answers from its seeded index, and a mount built without one answers from
 * tables derived from the accessor's tree. Both are built by `indexRows`, so
 * they cannot disagree.
 */
export declare function lookup(accessor: HfHubAccessor, index: IndexCacheStore | undefined, prefix: string, key: string): Promise<Found>;
/** The mount-absolute key for a mount-local path. */
export declare function keyOf(prefix: string, local: string): string;
/** Whether a mount-local path exists as a non-directory. */
export declare function probeFile(accessor: HfHubAccessor, index: IndexCacheStore | undefined, prefix: string, local: string): Promise<boolean>;
/** Whether a mount-local path exists as a directory. */
export declare function probeDir(accessor: HfHubAccessor, index: IndexCacheStore | undefined, prefix: string, local: string): Promise<boolean>;
/** A row for a directory the tree implies but has no row for. */
export declare function dirStatEntry(key: string): IndexEntry;
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