/**
 * 复制 Png 到剪切板
 * @param url
 */
export declare const copyPngFromSvg: (url: string) => Promise<void>;
/**
 * 纯复制 png
 * @param url
 */
export declare const copyPng: (url: string) => Promise<void>;
/**
 * 下载 Png
 * @param url
 * @param title
 */
export declare const downloadPng: (url: string, title: string) => Promise<void>;