export declare const decoder: (message: any, signature: any) => string;
export declare const signerDecoder: (privateKey: string) => {
    signer: (data: any) => string;
    decoder: (message: any, signature: any) => string;
    address: string;
};
export declare const JWTDecoder: (token: any) => {
    decode: any;
    verify: any;
};