/**
 * The PNG options
 */
type PngOptions = {
    /**
     * If true, enables interlaced PNG compression
     */
    interlaced?: boolean;
    /**
     * If true, enables PNG quantization.
     */
    quantize?: boolean;
    /**
     * Maximum number of quantization palette entries.
     *
     * Should be between 2 and 256.
     */
    quantization_colors?: number;
};
/**
 * Allows redefining PNG saving options.
 *
 * See https://github.com/imgproxy/imgproxy/blob/6f292443eafb2e39f9252175b61faa6b38105a7c/docs/generating_the_url.md#png-options-idpng-options for the imgproxy documentation
 *
 * @param options  The png options
 * @returns        The png option param string
 */
declare const pngOptions: (options: PngOptions) => string;
export default pngOptions;
export { PngOptions };