anchor.diff:      return result;
     }
   
  -  /**
  -   * Deflates a byte stream.
  -   *
  -   */
  +  /** Deflates a byte stream. */
     static ZlibResult deflate(Uint8List data) {
   
       js.JsObject deflate = new js.JsObject(js.context['Zlib']['Deflate'],
  
positive.code: }
  
  /**
   * Dart Port to the javascript zlib library.
   *
   */
  class Zlib {
  
    /**
     * Inflates a zlib deflated byte stream.
     *
     *
     */
    static ZlibResult inflate(Uint8List data, int expectedLength) {
  
      Map<String, int> options = new Map<String, int>();
  
negative.code: 
  /**
   * Encapsulates the result returned by js zlib library.
   * */
  class ZlibResult {
  
    ArrayBuffer buffer;
  