/**
 * ### Description
 *  Call a libwebp binary
 *
 * ### Examples
 * #### using promise
 * ```js
 * await execute('cwebp', ['-version'])
 * ```
 * #### using node-callback
 * ```js
 * execute('cwebp', ['-version'], (err, version) => err? console.error(err) : console.log(version))
 * ```
 *
 * @param name name of the libwebp bin to execute
 * @param options list of options to pass to the libwebp bin
 * @param cb callback function
 */
export declare function execute(name: string, options: string[]): Promise<string>;
export declare function execute(name: string, options: string[], cb: (err: Error | void, result?: string) => void): void;