type GetItemDataParams = {
    /**
     * The ID of the item to fetch.
     */
    itemId: string;
    /**
     * The root URL of the portal. Defaults to 'https://www.arcgis.com'.
     */
    portalRoot?: string;
    /**
     * The authentication token to access the portal.
     */
    token?: string;
    /**
     * Optional flag to bypass any caching by adding a query timestamp.
     */
    bypassCache?: boolean;
};
/**
 * Get the data of an ArcGIS item from the REST API.
 * @param params - The parameters for the request.
 * @param params.itemId - The ID of the item to fetch.
 * @param params.portalRoot - The root URL of the portal. Defaults to 'https://www.arcgis.com'.
 * @param params.token - The authentication token to access the portal. This is optional and defaults to an empty string.
 * @returns The item data as a generic type T.
 */
export declare const getItemData: <T>({ itemId, portalRoot, token, bypassCache, }: GetItemDataParams) => Promise<T>;
/**
 * Get item data with retry logic. This will attempt to fetch the item data up to a specified number of retries if errors occur.
 * @param params - The parameters for fetching item data.
 * @param retries - The number of retry attempts. Defaults to 3.
 * @param retryDelay - The delay between retries in milliseconds. Defaults to 1000ms (1 second).
 * @returns
 */
export declare const getItemDataWithRetries: <T>(params: GetItemDataParams, maxRetries?: number, retryDelay?: number) => Promise<T>;
export {};