import ICredential from './ICredential';
import Identifier from '../Identifier';
/**
 * Implementation of an OpenID Connect
 * self-issued id token.
 * @implements ICredential
 */
export declare class VerifiedCredential implements ICredential {
    /**
     * The identifier of the issuer of
     * the credential.
     */
    readonly issuedBy: Identifier;
    /**
     * The identifier the credential was
     * issued to.
     */
    readonly issuedTo: Identifier;
    /**
     * The date the credential was issued.
     */
    readonly issuedAt: Date;
    /**
     * The date and time that the
     * credential expires at.
     */
    readonly expiresAt?: Date;
    /**
     * Constructs a new instance of a verified
     * credential for the specified identifier.
     * @param issuedBy the specified identifier.
     * @param issuedTo the specified identifier.
     * @param issuedAt date and time.
     */
    constructor(issuedBy: Identifier, issuedTo: Identifier, issuedAt: Date);
}