import { WsClientEventDefinition, WsServerEventDefinition } from '@gecogvidanto/shared';
/**
 * Manage a web socket at client side.
 */
export default class WebSocket {
    /**
     * The socket.
     */
    private readonly socket;
    /**
     * Create the socket.
     */
    constructor();
    /**
     * Add a callback function when connection established. Beware that this should be called immediately after creating
     * the object, or the connection event may be lost.
     *
     * @param callback - The callback function which will be called when connection.
     */
    onConnect(callback: () => void): void;
    /**
     * Close the connection.
     */
    close(): void;
    /**
     * Emit a new event.
     *
     * @param event - The event name.
     * @param args - The event arguments.
     */
    emit<T extends keyof WsClientEventDefinition>(event: T, ...args: WsClientEventDefinition[T]): void;
    /**
     * Listen to an event.
     *
     * @param event - The event to listen to.
     * @param callback - The function to execute on event.
     */
    on<T extends keyof WsServerEventDefinition>(event: T, callback: (...args: WsServerEventDefinition[T]) => void): void;
}