import { ScratchGetRequest, ScratchSendRequest, Tool } from './Tool';
/**
 * @typedef {Request & {withCredentials: boolean}} ScratchSendRequest
 */
/**
 * Get and send assets with the fetch standard web api.
 */
export declare class FetchTool implements Tool {
    /**
     * Is get supported?
     * Always true for `FetchTool` because `scratchFetch` ponyfills `fetch` if necessary.
     * @returns {boolean} Is get supported?
     */
    get isGetSupported(): boolean;
    /**
     * Request data from a server with fetch.
     * @param {Request} reqConfig - Request configuration for data to get.
     * @returns {Promise.<Uint8Array?>} Resolve to Buffer of data from server.
     */
    get({ url, ...options }: ScratchGetRequest): Promise<Uint8Array | null>;
    /**
     * Is sending supported?
     * Always true for `FetchTool` because `scratchFetch` ponyfills `fetch` if necessary.
     * @returns {boolean} Is sending supported?
     */
    get isSendSupported(): boolean;
    /**
     * Send data to a server with fetch.
     * @param {ScratchSendRequest} reqConfig - Request configuration for data to send.
     * @returns {Promise.<string>} Server returned metadata.
     */
    send({ url, withCredentials, ...options }: ScratchSendRequest): Promise<string>;
}