import type { Accessor } from '../../accessor/base.ts';
import type { IndexEntry } from '../../cache/index/config.ts';
import type { IndexCacheStore } from '../../cache/index/store.ts';
import { PathSpec } from '../../types.ts';
export type ReaddirFn<A extends Accessor> = (accessor: A, pathSpec: PathSpec, index?: IndexCacheStore) => Promise<string[]>;
/**
 * Throw ENOENT unless the path appears in its parent's listing.
 *
 * Every path shape a fixed hierarchy serves is recognizable from the text
 * alone, but a recognizable shape is not evidence the entry exists. The
 * parent listing is index-cached, so validating costs one listing per
 * directory rather than one API call per stat.
 */
export declare function assertListed<A extends Accessor>(readdir: ReaddirFn<A>, accessor: A, path: PathSpec, index?: IndexCacheStore): Promise<void>;
/** Return the size the parent listing recorded for this path. */
export declare function listedSize(index: IndexCacheStore | undefined, path: PathSpec): Promise<number | null>;
/**
 * Resolve the path's index entry, listing its parent when cold.
 *
 * Id-addressed backends can only turn a path into an id through the index,
 * so the entry is the proof of existence AND the id source; this wraps
 * `entryOrWarm` with the parent-readdir warm every such backend used to
 * spell by hand.
 */
export declare function resolveEntry<A extends Accessor>(readdir: ReaddirFn<A>, accessor: A, path: PathSpec, index?: IndexCacheStore): Promise<IndexEntry | null>;
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