}

    /**
     * Wraps the reader with a {@link BufferedReader} if necessary.
     *
     * @param reader the reader
     * @return the wrapped reader
     */
    protected static Reader wrap(final Reader reader) {
        if (reader instanceof BufferedReader) {
            return reader;
        }
        if (reader instanceof StringReader) {

            return "localhost";
        }

        @Override
        public int getServerPort() {
            return 8080;
        }

        @Override
        public java.io.BufferedReader getReader() {
            return null;
        }

        @Override
        public String getRemoteAddr() {
            return "127.0.0.1";
        }

        @Override

   *
   * {@snippet :
   * final ClosingFuture<BufferedReader> file1ReaderFuture = ...;
   * final ClosingFuture<BufferedReader> file2ReaderFuture = ...;
   * ListenableFuture<Integer> numberOfDifferentLines =
   *       ClosingFuture.whenAllSucceed(file1ReaderFuture, file2ReaderFuture)
   *           .call(
   *               (closer, peeker) -> {
   *                 BufferedReader file1Reader = peeker.getDone(file1ReaderFuture);

                return null;
            }

            @Override
            public int getServerPort() {
                return 0;
            }

            @Override
            public java.io.BufferedReader getReader() throws IOException {
                return null;
            }

            @Override
            public String getRemoteAddr() {
                return null;
            }

            return "localhost";
        }

        @Override
        public int getServerPort() {
            return 8080;
        }

        @Override
        public java.io.BufferedReader getReader() {
            return null;
        }

        @Override
        public String getRemoteAddr() {
            return "127.0.0.1";
        }

        @Override

        }

        @Override
        public int getServerPort() {
            throw new UnsupportedOperationException();
        }

        @Override
        public java.io.BufferedReader getReader() {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getRemoteAddr() {
            throw new UnsupportedOperationException();
        }

                return null;
            }

            @Override
            public int getServerPort() {
                return 0;
            }

            @Override
            public java.io.BufferedReader getReader() {
                return null;
            }

            @Override
            public String getRemoteAddr() {
                return null;
            }

            @Override

   *
   * {@snippet :
   * final ClosingFuture<BufferedReader> file1ReaderFuture = ...;
   * final ClosingFuture<BufferedReader> file2ReaderFuture = ...;
   * ListenableFuture<Integer> numberOfDifferentLines =
   *       ClosingFuture.whenAllSucceed(file1ReaderFuture, file2ReaderFuture)
   *           .call(
   *               (closer, peeker) -> {
   *                 BufferedReader file1Reader = peeker.getDone(file1ReaderFuture);