import type { Log, TransactionResponse } from '@ethersproject/providers';
import { CID } from 'multiformats/cid';
export declare const SHA256_CODE = 18;
export declare const KECCAK_256_CODE = 27;
export declare const DAG_CBOR_CODE = 113;
export declare const ETH_TX_CODE = 147;
export declare function createCidFromHexValue(hexValue: string): CID;
export declare function getCidFromAnchorEventLog(log: Log): CID;
export declare const getCidFromTransaction: (txType: string, txResponse: TransactionResponse) => CID;
export declare function convertEthHashToCid(hexValue: string): CID;
export declare function convertCidToEthHash(cid: CID): string;
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