export declare class AuthenticationSign {
    /**
     * The authentication token.
     */
    protected token: string;
    /**
     * The publisher user ID.
     */
    protected publisherUserId: string;
    /**
     * Creates an instance of AuthenticationSign.
     * @param token - The authentication token.
     * @param publisherUserId - The unique identifier for the user provided by the publisher.
     */
    constructor(token: string, publisherUserId: string);
    /**
     * Returns the authentication token.
     * @returns The authentication token.
     */
    getToken(): string;
    /**
     * Returns the publisher user ID.
     * @returns The publisher user ID.
     */
    getPublisherUserId(): string;
}