import { Sender } from './sender.mjs';
import { Receiver } from './receiver.mjs';
/** An unbounded asynchronous channel. */
export declare class Channel<T = any> implements Sender<T>, Receiver<T> {
    #private;
    /** Creates a new Channel */
    constructor();
    /** Async iterator for this channel */
    [Symbol.asyncIterator](): AsyncGenerator<Awaited<Awaited<T> & undefined> | Awaited<Awaited<T> & {}>, void, unknown>;
    /** Returns the number of values buffered in this channel */
    get bufferedAmount(): number;
    /** Sends the given value to this channel. If channel has ended no action. */
    send(value: T): void;
    /** Sends the given error to this channel causing the receiver to throw on next(). If channel has ended no action. */
    error(error: Error): void;
    /** Ends this channel. */
    end(): void;
    /** Returns the next value from this channel or null if EOF. */
    next(): Promise<T | null>;
}