export declare type ReceiveCallback = (id: string, value: object) => void;
declare module 'sharedb/lib/client' {
    interface Connection {
        id: string;
        auth: object;
        ping?: number;
        lastReceiveTime?: number;
        _initializeHandshake(): void;
        send(message: object): void;
        handleMessage(message: object): void;
        close(): void;
    }
}