import { PlatformID } from '@digitaldefiance/ecies-lib';
/**
 * Decoded challenge token structure.
 * The token is transmitted as a base64-encoded HMAC-signed JSON string.
 *
 * @template TID - Platform ID type. Defaults to string for JSON/frontend.
 */
export interface IChallengeToken<TID extends PlatformID = string> {
    /** The work unit this token is bound to */
    workUnitId: string;
    /** The client identifier this token is bound to */
    clientId: string;
    /** Issuance timestamp (Unix epoch ms) */
    issuedAt: number;
    /** Expiration timestamp (Unix epoch ms) */
    expiresAt: number;
    /** HMAC-SHA3-512 signature of the above fields */
    signature: string;
}
//# sourceMappingURL=challengeToken.d.ts.map