/**
 * Copyright (c) 2018-2023, BOTLabs GmbH.
 *
 * This source code is licensed under the BSD 4-Clause "Original" license
 * found in the LICENSE file in the root directory of this source tree.
 */
import type { Option } from '@polkadot/types';
import type { IAttestation, ICredential } from '@kiltprotocol/types';
import type { AttestationAttestationsAttestationDetails } from '@kiltprotocol/augment-api';
/**
 * Decodes the attestation returned by `api.query.attestation.attestations()`.
 *
 * @param encoded Raw attestation data from blockchain.
 * @param claimHash The attestation claimHash.
 * @returns The attestation.
 */
export declare function fromChain(encoded: Option<AttestationAttestationsAttestationDetails>, claimHash: ICredential['rootHash']): IAttestation;