export type FetchTemplateOptions = {
    /**
     * - HTTP method to use (GET, POST, etc.).
     */
    method?: string;
    /**
     * - Request body (only for methods like POST, PUT).
     */
    body?: any;
    /**
     * - Timeout in milliseconds (ignored if signal is provided).
     */
    timeout?: number;
    /**
     * - Number of retry attempts (ignored if signal is provided).
     */
    retries?: number;
    /**
     * - Additional headers.
     */
    headers?: Headers | Record<string, any>;
    /**
     * - External AbortSignal; disables timeout and retries.
     */
    signal?: AbortSignal | null;
    /**
     * - Track the load progress.
     */
    onProgress?: import('../html.mjs').FetchOnProgressResult;
};
/**
 * Loads and parses a JSON from a remote URL using Fetch API.
 *
 * @param {string} url - The full URL to fetch JSON from.
 * @param {FetchTemplateOptions} [options] - Optional settings.
 * @returns {Promise<any[] | Record<string | number | symbol, unknown>>} Parsed JSON object.
 * @throws {Error} Throws if fetch fails, times out, or returns invalid JSON.
 * @deprecated
 */
export declare function fetchJson(url: string, options?: FetchTemplateOptions): Promise<any[] | Record<string | number | symbol, unknown>>;
/**
 * Loads a remote file as a Blob using Fetch API.
 *
 * @param {string} url - The full URL to fetch the file from.
 * @param {string[]} [allowedMimeTypes] - Optional list of accepted MIME types (e.g., ['image/jpeg']).
 * @param {FetchTemplateOptions} [options] - Optional fetch options.
 * @returns {Promise<Blob>} - The fetched file as a Blob.
 * @throws {Error} Throws if fetch fails, response is not ok, or MIME type is not allowed.
 * @deprecated
 */
export declare function fetchBlob(url: string, allowedMimeTypes?: string[], options?: FetchTemplateOptions): Promise<Blob>;
/**
 * Loads a remote file as a text using Fetch API.
 *
 * @param {string} url - The full URL to fetch the file from.
 * @param {string[]} [allowedMimeTypes] - Optional list of accepted MIME types (e.g., ['image/jpeg']).
 * @param {FetchTemplateOptions} [options] - Optional fetch options.
 * @returns {Promise<string>} - The fetched file as a text.
 * @throws {Error} Throws if fetch fails, response is not ok, or MIME type is not allowed.
 * @deprecated
 */
export declare function fetchText(url: string, allowedMimeTypes?: string[], options?: FetchTemplateOptions): Promise<string>;
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