import { Result, Failure } from '@ucanto/interface';
import { MultihashDigest, Link, UnknownLink } from 'multiformats';
export type { IPLDBlock } from '@ucanto/interface';
export type { UnknownFormat } from '@web3-storage/capabilities/types';
export type { Result, MultihashDigest, Link, UnknownLink };
export type ShardDigest = MultihashDigest;
export type SliceDigest = MultihashDigest;
export type Position = [offset: number, length: number];
/**
 * A sharded DAG index.
 *
 * @see https://github.com/storacha/specs/blob/main/w3-index.md
 */
export interface ShardedDAGIndex {
    /** DAG root CID that the index pertains to. */
    content: UnknownLink;
    /** Index information for shards the DAG is split across. */
    shards: Map<ShardDigest, Map<SliceDigest, Position>>;
}
export interface ShardedDAGIndexView extends ShardedDAGIndex {
    /** Set the offset/length information for the slice a shard. */
    setSlice(shard: ShardDigest, slice: SliceDigest, pos: Position): void;
    /** Encode the index to a CAR file. */
    archive(): Promise<Result<Uint8Array>>;
}
export interface DecodeFailure extends Failure {
    name: 'DecodeFailure';
}
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