import type { JsonObject } from '../../../../types'; import type { Proof, DocumentLoader } from '../jsonldUtil'; declare const AssertionProofPurpose: any; declare const LinkedDataProof: any; /** * Creates a proof purpose that will validate whether or not the verification * method in a proof was authorized by its declared controller for the * proof's purpose. */ export declare class CredentialIssuancePurpose extends AssertionProofPurpose { /** * @param {object} options - The options to use. * @param {object} [options.controller] - The description of the controller, * if it is not to be dereferenced via a `documentLoader`. * @param {string|Date|number} [options.date] - The expected date for * the creation of the proof. * @param {number} [options.maxTimestampDelta=Infinity] - A maximum number * of seconds that the date on the signature can deviate from. */ constructor(options: { controller?: Record; date: string; 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 {object} proof - The proof to validate. * @param {object} options - The options to use. * @param {object} options.document - The document whose signature is * being verified. * @param {object} options.suite - Signature suite used in * the proof. * @param {string} options.verificationMethod - Key id URL to the paired * public key. * @param {object} [options.documentLoader] - A document loader. * @param {object} [options.expansionMap] - An expansion map. * * @throws {Error} If verification method not authorized by controller. * @throws {Error} If proof's created timestamp is out of range. * * @returns {Promise<{valid: boolean, error: Error}>} Resolves on completion. */ validate(proof: Proof, options?: { document: JsonObject; suite: typeof LinkedDataProof; verificationMethod: string; documentLoader?: DocumentLoader; expansionMap?: () => void; }): Promise<{ valid: boolean; error?: any; }>; } export {};