/**
 * Options for HEIC to PNG/JPEG conversion
 */
interface ConvertOptions {
    /**
     * Quality setting for JPEG output (0-1)
     * Default: 1
     * Note: Only applies to JPEG format, ignored for PNG
     */
    quality?: number;
    /**
     * Whether to handle multi-image HEIC files (e.g., bursts)
     * When true: Returns an array of Blobs (one per image)
     * When false: Returns only the first image as a single Blob
     * Default: false
     */
    multiple?: boolean;
}
/**
 * Extended options that include format specification
 */
interface ConvertOptionsWithFormat extends ConvertOptions {
    /**
     * Output format for the converted image
     */
    format: 'png' | 'jpeg';
}

/**
 * Convert HEIC to PNG
 *
 * @param blob - The HEIC image blob
 * @param options - Conversion options (quality is ignored for PNG)
 * @returns Promise<Blob | Blob[]> - Converted PNG blob(s)
 */
declare function heicToPng(blob: Blob, options?: ConvertOptions): Promise<Blob | Blob[]>;
/**
 * Convert HEIC to JPEG
 *
 * @param blob - The HEIC image blob
 * @param options - Conversion options including quality (default: 0.92)
 * @returns Promise<Blob | Blob[]> - Converted JPEG blob(s)
 */
declare function heicToJpeg(blob: Blob, options?: ConvertOptions): Promise<Blob | Blob[]>;
/**
 * Flexible convert function for advanced use cases
 *
 * @param blob - The HEIC image blob
 * @param options - Conversion options with format specification
 * @returns Promise<Blob | Blob[]> - Converted blob(s) in specified format
 */
declare function convert(blob: Blob, options: ConvertOptionsWithFormat): Promise<Blob | Blob[]>;

/**
 * Check if a Blob is a HEIC/HEIF image by examining its magic bytes
 * HEIC files have specific byte signatures at the beginning
 *
 * @param blob - The Blob to check
 * @returns Promise<boolean> - true if the blob is a HEIC file
 */
declare function isHeic(blob: Blob): Promise<boolean>;

export { type ConvertOptions, type ConvertOptionsWithFormat, convert, heicToJpeg, heicToPng, isHeic };