import { Channel } from "./channel";
import { EventTS } from "@jaenster/events";
declare function filter<T = any>(this: BaseClient<T>, [other, msg]: [BaseClient<T>, T]): any;
declare const handler: unique symbol;
export declare abstract class BaseClient<T> extends EventTS {
    [handler]: typeof filter;
    out: <S>(this: S, ...t: T[]) => S;
    constructor(eventQueue?: Channel<[BaseClient<T>, T]>);
    protected abstract in(data: T, client: BaseClient<T>): any;
    attach(eventQueue: Channel<[BaseClient<T>, T]>): void;
    detach(): void;
}
export {};