/**
 * A hook that provides file download functionality with loading state management.
 * Automatically handles blob data, creates download links, and manages cleanup.
 *
 * @returns An object containing the download function and loading state
 *
 * @example
 * ```tsx
 * const { downloadFile, isLoading } = useDownloadFile();
 *
 * const handleDownload = async () => {
 *   const response = await fetch('/api/file');
 *   const blob = await response.blob();
 *   await downloadFile({
 *     data: blob,
 *     fileName: 'document.pdf'
 *   });
 * };
 *
 * return (
 *   <button onClick={handleDownload} disabled={isLoading}>
 *     {isLoading ? 'Downloading...' : 'Download File'}
 *   </button>
 * );
 * ```
 */
export declare const useDownloadFile: () => {
    downloadFile: ({ data, fileName }: {
        data: Blob;
        fileName?: string;
    }) => Promise<void>;
    isLoading: boolean;
};
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