/**
 * Class {@link TokenUtil} encapsulates utility functions to work with JWT tokens.
 */
export default abstract class TokenUtil {
    /**
     * Decodes a JWT token and returns the payload as a JSON object
     * @param token the JWT token to decode
     * @returns the payload of the JWT token
     */
    static decodeToken(token: any): unknown;
    /**
     * Determines if a JWT token is valid or not
     * @param value the JWT token to check
     * @returns true if the token is valid, false otherwise
     */
    static isValidToken(value: any): boolean;
}