import type { ISink, ITime } from '../../stream/index.js';
/**
 * Generic multicast sink implementation that can be used by different multicast patterns
 * Manages multiple sinks with immutable array operations
 */
export declare abstract class MulticastSink<T> implements ISink<T> {
    protected sinkList: readonly ISink<T>[];
    event(time: ITime, value: T): void;
    error(time: ITime, error: Error): void;
    end(time: ITime): void;
}