export declare class Sessions {
    private onCloseHandler;
    private $mount;
    private $list;
    private interval;
    constructor($mount: HTMLElement);
    addListeners: () => void;
    removeListeners: () => void;
    onCloseClick: () => void;
    toggleVisibility: (visible?: boolean) => void;
    getSessions: () => Promise<void>;
    onClose: (handler: () => void) => () => void;
}