if (fileName == null) return BooleanValue.FALSE;  Zlib zlib = new Zlib(env, fileName, mode, useIncludePath); return env.wrapJava(zlib);
return new Zlib(env, fileName, mode, useIncludePath);
  public Value gzopen(Env env,                      String fileName,                      String mode,                      @Optional("0") int useIncludePath)  {    if (fileName == null)      return BooleanValue.FALSE;    Zlib zlib = new Zlib(env, fileName, mode, useIncludePath);    return env.wrapJava(zlib);  }