import { IncomingMessage } from "node:http";
import { Algorithm } from "jsonwebtoken";
import { AuthProvider, AuthResult } from "../types.js";
/**
 * Configuration options for JWT authentication
 */
export interface JWTConfig {
    /**
     * Secret key for verifying JWT tokens
     */
    secret: string;
    /**
     * Allowed JWT algorithms
     * @default ["HS256"]
     */
    algorithms?: Algorithm[];
    /**
     * Name of the header containing the JWT token
     * @default "Authorization"
     */
    headerName?: string;
    /**
     * Whether to require "Bearer" prefix in Authorization header
     * @default true
     */
    requireBearer?: boolean;
}
/**
 * JWT-based authentication provider
 */
export declare class JWTAuthProvider implements AuthProvider {
    private config;
    constructor(config: JWTConfig);
    authenticate(req: IncomingMessage): Promise<boolean | AuthResult>;
    getAuthError(): {
        message: string;
        status: number;
    };
}