export type Channel = {
    topic: string;
    name: string;
};
/**
 * Websocket client for the graasp-websockets protocol
 */
export interface WebsocketClient {
    /**
     * Subscribe a handler to a given channel
     * @param channel Channel to which to subscribe to
     * @param handler Handler function to register
     */
    subscribe<T>(channel: Channel, handler: (data: T) => void): void;
    /**
     * Unsubscribe a handler from a channel, THE HANDLER MUST === THE ONE PASSED TO SUBSCRIBE
     * @param channel Channel from wihch to unsubscribe the provided handler from
     * @param handler Handler function to unregster, MUST BE EQUAL (===) TO PREVIOUSLY REGISTERED HANDLE WITH @see subscribe !
     */
    unsubscribe<T>(channel: Channel, handler: (data: T) => void): void;
}
export declare const configureWebsocketClient: (wsHost: string) => WebsocketClient;