export interface SseOptions {
    /**
     * `true` to automatically reconnect when the request is closed by an request
     * error (including timeout errors) or completed.
     *
     * In this case, to close the connection is necessary to unsubscribe manually.
     *
     * @default `true`
     */
    keepAlive: boolean;
    /**
     * Delay before reconnecting with the server, this is only useful when
     * `keepAlive` is `true`.
     *
     * @default `5000`
     */
    reconnectionDelay: number;
    /**
     * Defines the response type.
     *
     * When set to `event` a `MessageEvent` will be returned with the data and a
     * default `Event` with type error in case of erros.
     *
     * When set to `text` only the message data will be returned. In this case no
     * errors will be returned, only the data from successful requests.
     *
     * @default `text`
     */
    responseType: 'event' | 'text';
}
export declare const defaultSseOptions: SseOptions;