import type { Hash } from '../hash.ts';
import type { Chunk } from './chunk.ts';
import type { MustGetChunk } from './store.ts';
/**
 * A visitor walks the DAG starting at a given root and visits each chunk.
 */
export declare class Visitor {
    #private;
    constructor(dagRead: MustGetChunk);
    visit(h: Hash): Promise<void>;
    visitChunk(chunk: Chunk<unknown>): Promise<void>;
}
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