import { type MaybePromise } from './types/MaybePromise.js';
export { createMulticastChannel, type MulticastChannel, type MulticastChannelIterator };
declare function createMulticastChannel<T>(): MulticastChannel<T>;
type MulticastChannel<T> = {
    put(value: T): void;
    close(): void;
    error(errValue: unknown): void;
    isClosed: boolean;
    [Symbol.asyncIterator](): MulticastChannelIterator<T>;
};
type MulticastChannelIterator<T> = {
    return: () => IteratorReturnResult<undefined>;
    next: () => MaybePromise<IteratorResult<T, undefined>>;
    [Symbol.asyncIterator](): MulticastChannelIterator<T>;
};