import { JsonResponse } from './JsonResponse.js';
/**
 * Class representing a JsonpResponse.
 *
 * @author Mr. Stone <evensstone@gmail.com>
 */
export declare class JsonpResponse extends JsonResponse {
    static readonly OUTGOING_HTTP_RESPONSE = "stonejs@outgoing_http_jsonp_response";
    private callback?;
    /**
     * Set callback.
     *
     * @param callback - The callback function name or array of names.
     * @returns The current instance for method chaining.
     */
    setCallback(callback: string | string[]): this;
    /**
     * Get callback.
     *
     * @returns The callback function name.
     */
    getCallback(): string | undefined;
    /**
     * Make JSONP response.
     *
     * @returns The current instance for method chaining.
     * @throws {HttpError} If no callback is provided.
     */
    protected makeJson(): this;
}