type FileScanerResult = {
    valid: boolean;
    ext?: string;
    mime?: string;
};
/**
 * Mega raw file-type detection from first chunk (magic bytes)
 * Supports 100+ common file types: images, audio, video, docs, archives, fonts, scripts, binaries.
 */
declare function fileScaner(chunk: Uint8Array | Buffer): FileScanerResult;

export { fileScaner as default };
export type { FileScanerResult };