type DefaultCallback = (data?: string | number) => any;
export type ServersChangedEvent = {
    added: string[];
    deleted: string[];
};
export declare const enum NatsStatus {
    DISCONNECTED = "disconnected",
    RECONNECTING = "reconnecting",
    CONNECTED = "connected"
}
export declare const enum NatsEventsMap {
    DISCONNECT = "disconnect",
    RECONNECT = "reconnect",
    UPDATE = "update"
}
/**
 * Nats events map for the Nats client.
 * Key is the event name and value is the corresponding callback function.
 * @publicApi
 */
export type NatsEvents = {
    disconnect: DefaultCallback;
    reconnect: DefaultCallback;
    update: (data?: string | number | ServersChangedEvent) => any;
};
export {};