/**
 * @interface TokenParamsInterface
 * @param userClaimsName The name of the user claims field in Access Token
 * @param accessTokenName The AccessToken storage name
 * @param refreshTokenName The RefreshToken storage name
 */
export interface TokenParamsInterface {
    /**
     *  The name of the user claims field in Access Token
     *  @defaultValue `user_claims`
     */
    userClaimsName?: string;
    /**
     * The AccessToken storage name
     * @defaultValue `_auth_t`
     */
    accessTokenName?: string;
    /**
     * The RefreshToken storage name
     * @defaultValue `_refresh_t`
     */
    refreshTokenName?: string;
    /**
     * Function that return new AccessToken as Promise\<string\>
     * @returns {Promise<string>} Promise\<string\> of the new Access Token
     */
    fetchRefreshToken?: () => Promise<string>;
}
/**
 * @abstract
 * @class
 * Abstract Class for Token interactions
 */
declare abstract class Token {
    /**
     *  The name of the user claims field in Access Token
     *  @defaultValue `user_claims`
     */
    private readonly userClaimsName;
    /**
     * The AccessToken storage name
     * @defaultValue `_auth_t`
     */
    private readonly accessTokenName;
    /**
     * The RefreshToken storage name
     * @defaultValue `_refresh_t`
     */
    private readonly refreshTokenName;
    /**
     * Function that return new AccessToken as Promise\<string\>
     * @returns {Promise<string>} Promise\<string\> of the new Access Token
     */
    readonly fetchRefreshToken: () => Promise<string>;
    /**
     * {@inheritdoc TokenParamsInterface}
     */
    constructor(props: TokenParamsInterface);
    /**
     * Set the Access Token from storage
     * @param token - AccessToken as string
     * @virtual
     */
    abstract setAccessToken(token: string): void;
    /**
     * Get the Access Token from storage
     * @returns {string|undefined} The stored Access Token
     */
    abstract getAccessToken(): string | undefined;
    /**
     * Remove the Access Token from storage
     */
    abstract unsetAccessToken(): void;
    /**
     * Set the Refresh Token from storage
     * @param refreshToken - RefreshToken as string
     */
    abstract setRefreshToken(refreshToken: string): void;
    /**
     * Get the Refresh Token from storage
     * @returns {string|undefined} The stored Refresh Token
     */
    abstract getRefreshToken(): string | undefined;
    /**
     * Remove the Refresh Token from storage
     */
    abstract unsetRefreshToken(): void;
    /**
     * Get the Access Token storage name
     * @returns {string} The Access Token storage name
     */
    protected getAccessTokenName(): string;
    /**
     * Get the Refresh Token storage name
     * @returns {string} The Refresh Token storage name
     */
    protected getRefreshTokenName(): string;
    /**
     * Get the Access Token expiration
     * @returns {Date|undefined} The AccessToken expiration as Date or undefined if no AccessToken
     */
    getAccessTokenExp(): Date | undefined;
    /**
     * Get the Refresh Token expiration
     * @returns {Date|undefined} The RefreshToken expiration as Date or undefined if no RefreshToken
     */
    getRefreshTokenExp(): Date | undefined;
    /**
     * Get user claims
     * @returns {any} The user claims stored in the AccessToken
     */
    getUserClaims(): any;
    /**
     * Check if Access Token is expired
     * @returns {boolean} true if the AccessToken is expired
     */
    isAccessTokenExpired(): boolean;
    /**
     * Check if Refresh Token is expired
     * @returns {boolean} true if the RefreshToken is expired
     */
    isRefreshTokenExpired(): boolean;
    /**
     * Check if the user is authenticated
     * @returns {boolean} true if the user is authenticated
     */
    isAuthenticated(): boolean;
    /**
     * Check if Access Token is expired but Refresh Token still valid
     * @returns {boolean} true Access Token expired and Refresh Token not
     */
    hasToRefreshAccessToken(): boolean;
    /**
     * Decode JWT token and return payload
     * @param token JWT token as string
     * @returns {any} JWT token payload object
     */
    protected decodeToken(token: string): any;
    /**
     * Get JWT token expiration as Date from `exp` field in token payload
     * @param token JWT token as string
     * @returns {Date|undefined} The JWT token expiration as Date or undefined if no token
     */
    protected getTokenExp(token: string): Date | undefined;
    /**
     * @param date1 First date
     * @param date2 Second date
     * @returns The diff in minutes between date1 and date2
     */
    private dateTimeDiffInMinutes;
}
export default Token;