import { Socket } from "./socket.js";
export type PoolSubscription = (socket: Socket) => void;
export type PoolOptions = {
    makeSocket?: (url: string) => Socket;
};
export declare let poolSingleton: Pool;
export declare class Pool {
    readonly options: PoolOptions;
    _data: Map<string, Socket>;
    _subs: PoolSubscription[];
    static get(): Pool;
    constructor(options?: PoolOptions);
    has(url: string): boolean;
    makeSocket(url: string): Socket;
    get(_url: string): Socket;
    subscribe(cb: PoolSubscription): () => void;
    remove(url: string): void;
    clear(): void;
}
//# sourceMappingURL=pool.d.ts.map