export declare class BroadcastApiClient {
    protected callback: () => any;
    static from(callback?: any): BroadcastApiClient;
    constructor(callback: () => any);
}
export interface BroadcastApiIoOptionsClient {
    path: string;
}
export interface BroadcastApiIoOptions extends BroadcastApiIoOptionsClient {
    /**
     * only for websql mode
     */
    href: string;
}