import type { Readable } from "svelte/store";
export interface BroadcastChannelOptions {
    /**
     * The name of the channel.
     * @default ""
     */
    name?: string;
}
export interface BroadcastChannelReturn<D, P> {
    is_supported: Readable<boolean>;
    channel: Readable<BroadcastChannel | undefined>;
    data: Readable<D | undefined>;
    post: (data: P) => void;
    close: () => void;
    error: Readable<Event | null>;
    is_closed: Readable<boolean>;
}
/**
 * Reactive BroadcastChannel
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/API/BroadcastChannel
 * @param options
 *
 */
export declare const broadcast_channel: <D, P>(options?: BroadcastChannelOptions) => BroadcastChannelReturn<D, P>;
export { broadcast_channel as broadcastChannel };