export interface SignOptions {
    header: Record<string, any>;
    payload: Record<string, any>;
    privateKey: string;
}
export interface JWT {
    decode(token: string): {
        header: any;
        payload: string;
        signature: string;
    } | null;
    sign(options: SignOptions): Promise<string>;
    verify(token: string, algorithm: string, publicKey: string): Promise<boolean | null>;
}
/**
 * Convert PKCS#1 RSA PRIVATE KEY to PKCS#8 format
 * This wraps the PKCS#1 key with the PKCS#8 structure
 * @internal Exported for testing purposes
 */
export declare function convertPKCS1ToPKCS8(pkcs1Pem: string): string;
export declare const jwt: JWT;