/**
 * Defines the HTTP client used to send requests to the REST API server.
 */
export interface IHttpClient {
    /**
     * REST API server URL.
     */
    serverUrl: string;
    /**
     * Default HTTP headers for all requests. You can add specific headers at any time.
     *
     * The following headers are added automatically:
     *
     * - `Authorization`- Added after user log in.
     * - `Content-Type` - Added before sending `POST` and `PUT` request according the request body.
     */
    headers: HeadersInit;
    /**
     * Current logged in user ID.
     */
    signInUserId: string;
    /**
     * `True` if the current logged in user is and administrator.
     */
    signInUserIsAdmin: boolean;
    /**
     * Sends the `GET` request to the specified endpoint.
     *
     * @param relativePath - Endpoint relative path.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    get(relativePath: string, init?: RequestInit): Promise<Response>;
    /**
     * Sends the `POST` request to the specified endpoint.
     *
     * @param relativePath - Endpoint relative path.
     * @param body - Request body. Can be
     *   {@link https://developer.mozilla.org/docs/Web/API/FormData | FormData},
     *   {@link https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer | ArrayBuffer},
     *   {@link https://developer.mozilla.org/docs/Web/API/Blob/Blob | Blob}, JSON object or plain text.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    post(relativePath: string, body?: BodyInit | object, init?: RequestInit): Promise<Response>;
    /**
     * Sends the `PUT` request to the specified endpoint.
     *
     * @param relativePath - Endpoint relative path.
     * @param body - Request body. Can be
     *   {@link https://developer.mozilla.org/docs/Web/API/FormData | FormData},
     *   {@link https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer | ArrayBuffer},
     *   {@link https://developer.mozilla.org/docs/Web/API/Blob/Blob | Blob}, JSON object or plain text.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    put(relativePath: string, body?: BodyInit | object, init?: RequestInit): Promise<Response>;
    /**
     * Sends the `DELETE` request to the specified endpoint.
     *
     * @param relativePath - Endpoint relative path.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    delete(relativePath: string, init?: RequestInit): Promise<Response>;
    /**
     * Upload a file to the server.
     *
     * @param relativePath - Upload endpoint relative path.
     * @param file - {@link https://developer.mozilla.org/docs/Web/API/File | Web API File} object are
     *   generally retrieved from a {@link https://developer.mozilla.org/docs/Web/API/FileList | FileList}
     *   object returned as a result of a user selecting files using the HTML `<input>` element.
     * @param onProgress - Upload progress callback.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    uploadFile(relativePath: string, file: globalThis.File, onProgress?: (progress: number) => void, init?: RequestInit): Promise<XMLHttpRequest>;
    /**
     * Downloads the specified file from the server.
     *
     * @param relativePath - Download endpoint relative path.
     * @param onProgress - Download progress callback.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    downloadFile(relativePath: string, onProgress?: (progress: number, chunk: Uint8Array) => void, init?: RequestInit): Promise<Response>;
    /**
     * Downloads a part of file from the server.
     *
     * @param relativePath - Download endpoint relative path.
     * @param reserved - Reserved, do not use.
     * @param ranges - A ranges of resource file contents to download.
     * @param onProgress - Download progress callback.
     * @param init - A set of options that can be used to configure a fetch request. See
     *   {@link https://developer.mozilla.org/docs/Web/API/RequestInit | RequestInit} for more details.
     */
    downloadFileRange(relativePath: string, reserved: number, ranges: Array<{
        begin: number;
        end: number;
        requestId: number;
    }>, onProgress?: (progress: number, chunk: Uint8Array, requestId: number) => void, init?: RequestInit): Promise<Response>;
}