@Override
    public CharSource createSource(String string) throws IOException {
      checkNotNull(string);
      Path file = createFile();
      try (Writer writer = java.nio.file.Files.newBufferedWriter(file, UTF_8)) {
        writer.write(string);
      }
      return MoreFiles.asCharSource(file, UTF_8);
    }

    @Override
    public String getExpected(String string) {

  }

  /**
   * Returns a buffered writer that writes to a file using the given character set.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link
   * java.nio.file.Files#newBufferedWriter(java.nio.file.Path, Charset,
   * java.nio.file.OpenOption...)}.
   *
   * @param file the file to write to
   * @param charset the charset used to encode the output stream; see {@link StandardCharsets} for

  }

  /**
   * Returns a buffered writer that writes to a file using the given character set.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link
   * java.nio.file.Files#newBufferedWriter(java.nio.file.Path, Charset,
   * java.nio.file.OpenOption...)}.
   *
   * @param file the file to write to
   * @param charset the charset used to encode the output stream; see {@link StandardCharsets} for

        if (context.options().logFile().isPresent()) {
            Path logFile = context.cwd.resolve(context.options().logFile().get());
            try {
                PrintWriter printWriter = new PrintWriter(Files.newBufferedWriter(logFile), true);
                context.closeables.add(printWriter);
                return printWriter::println;
            } catch (IOException e) {