import { JWTPayload } from '../types';
/**
 * Create a JWT for an authenticated agent
 *
 * @param did - The agent's DID
 * @param secret - JWT signing secret
 * @param issuer - JWT issuer identifier
 * @param expiresIn - Expiration time in seconds
 * @returns Signed JWT string
 */
export declare function createAgentJWT(did: string, secret: string, issuer: string, expiresIn?: number): Promise<string>;
/**
 * Verify and decode a JWT
 *
 * @param token - JWT to verify
 * @param secret - JWT signing secret
 * @param issuer - Expected issuer
 * @returns Decoded JWT payload
 * @throws Error if JWT is invalid or expired
 */
export declare function verifyAgentJWT(token: string, secret: string, issuer: string): Promise<JWTPayload>;
/**
 * Extract JWT from Authorization header
 *
 * @param authHeader - Authorization header value
 * @returns JWT token or null if not found
 */
export declare function extractBearerToken(authHeader: string | undefined): string | null;
//# sourceMappingURL=index.d.ts.map