export declare const ERROR_INVALID_TOKEN = "invalid_token";
export declare const ERROR_EXPIRED_REFRESH_TOKEN = "expired_refresh_token";
export declare class WWWAuthenticateMessage {
    scheme: string;
    message: string;
    error: string;
    description: string;
    constructor(message: string, error: string, description: string);
}
export declare class WWWAuthenticateMessageFactory {
    static create(content: string): WWWAuthenticateMessage;
}