/*!
 * Copyright (c) 2019-2023 Digital Bazaar, Inc. All rights reserved.
 */
import jsigs from '@interop/jsonld-signatures';
import type { LinkedDataProof, ProofValidateResult } from '@interop/jsonld-signatures';
import type { IVerificationMethod } from '@interop/data-integrity-core/did';
import type { IDocumentLoader } from '@interop/data-integrity-core/loader';
import type { IProofDescription } from '@interop/data-integrity-core/vcdm';
declare const AssertionProofPurpose: typeof jsigs.AssertionProofPurpose;
/**
 * Creates a proof purpose that will validate whether the verification
 * method in a proof was authorized by its declared controller for the
 * proof's purpose.
 */
export declare class CredentialIssuancePurpose extends AssertionProofPurpose {
    /**
     * @param options - The options to use.
     * @param options.controller - The description of the controller, if it is
     *   not to be dereferenced via a `documentLoader`.
     * @param options.date - The expected date for the creation of the proof.
     * @param options.maxTimestampDelta - A maximum number of seconds that the
     *   date on the signature can deviate from.
     */
    constructor({ controller, date, maxTimestampDelta }?: {
        controller?: object;
        date?: string | Date | number;
        maxTimestampDelta?: number;
    });
    /**
     * Validates the purpose of a proof. This method is called during
     * proof verification, after the proof value has been checked against the
     * given verification method (in the case of a digital signature, the
     * signature has been cryptographically verified against the public key).
     *
     * @param proof - The proof to validate.
     * @param options - The options to use.
     * @param options.document - The document whose signature is being verified.
     * @param options.suite - Signature suite used in the proof.
     * @param options.verificationMethod - Key id URL to the paired public key.
     * @param options.documentLoader - A document loader.
     *
     * @throws {Error} If verification method not authorized by controller.
     * @throws {Error} If proof's created timestamp is out of range.
     */
    validate(proof: IProofDescription, { document, suite, verificationMethod, documentLoader }: {
        document?: object;
        suite?: LinkedDataProof;
        verificationMethod?: IVerificationMethod;
        documentLoader?: IDocumentLoader;
    }): Promise<ProofValidateResult>;
}
export {};
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