import { TokenClaim, TokenHeader } from "../token-service/TokenService.model";
export declare class JwtHelper {
    static decodeTokenHeader(token: string): TokenHeader;
    static decodeToken(token: string): TokenClaim;
    static urlBase64Decode(str: string): string;
    static b64DecodeUnicode(str: string): string;
    static b64decode(str: string): string;
}