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