import type { DropboxAccessor } from '../../accessor/dropbox.ts';
import type { PathSpec, WalkEntry } from '../../types.ts';
import type { DeltaHook } from '../../watch/base.ts';
/**
 * One recursive `list_folder` feeding the generic listing differ.
 *
 * Reads the account directly, never through mirage's caches, as the DeltaHook
 * contract requires.
 *
 * Fingerprints on `content_hash`, Dropbox's own content digest, so an upload of
 * identical bytes is correctly reported as no change; `rev` is the fallback,
 * and it moves on any write.
 *
 * Dropbox also offers a cursor: the same endpoint returns one, and
 * `list_folder/continue` replays only what changed since. That is a faster
 * pull, not a more correct one, and it cannot replace this walk, because the
 * server may invalidate a cursor at any time and the only answer to that is a
 * full listing. When the fast path is added it belongs behind `pull`, with this
 * walk as its reset path.
 */
export declare class DropboxWalk {
    private readonly accessor;
    constructor(accessor: DropboxAccessor);
    walk(root: PathSpec): AsyncGenerator<WalkEntry>;
}
export declare function buildDeltaHook(accessor: DropboxAccessor): DeltaHook;
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