import { Socket } from "./socket.js";
export type PoolSubscription = (socket: Socket) => void;
export declare class Pool {
    socketPolicies: import("./socket.js").SocketPolicy[];
    _data: Map<string, Socket>;
    _subs: PoolSubscription[];
    has(url: string): boolean;
    get(_url: string): Socket;
    subscribe(cb: PoolSubscription): () => void;
    remove(url: string): void;
    clear(): void;
}
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