/**
 * Our hook will return an object with three properties:
 * - send: a function that will send a message to all other tabs
 * - state: the current state of the broadcast
 * - subscribe: a function that will subscribe to the broadcast (Only if options.subscribe is true)
 */
export type UseBroadcastReturn<T> = {
    send: (val: T) => void;
    state: T | undefined;
    subscribe: (callback: (e: T) => void) => () => void;
};
/**
 * The options for the useBroadcast hook
 */
export type UseBroadcastOptions = {
    subscribe?: boolean;
};
/**
 *
 * @param name The name of the broadcast channel
 * @param val The initial value of the broadcast
 * @returns Returns an object with three properties: send, state and subscribe
 */
export declare const useBroadcast: <T>(name: string, val?: T | undefined, options?: UseBroadcastOptions) => UseBroadcastReturn<T>;