export declare class Token {
    /**
     * The raw token in string form.
     */
    value: string;
    private _decoded;
    constructor(value: string);
    /**
     * The subject is the user id to which this token is assigned.
     */
    get subject(): string;
    /**
     * The date in seconds since Epoch that this token expires.
     */
    get expiration(): number;
    /**
     * Whether or not the token is to be considered expired.
     *
     * @param {number} seconds A number in seconds to reduce the expiration time by. Defaults to 0
     */
    isExpired(seconds?: number): boolean;
}