/**
   * Returns a {@link CharSink} view of this {@code ByteSink} that writes characters to this sink as
   * bytes encoded with the given {@link Charset charset}.
   */
  public CharSink asCharSink(Charset charset) {
    return new AsCharSink(charset);
  }

  /**
   * Opens a new {@link OutputStream} for writing to this sink. This method returns a new,
   * independent stream each time it is called.
   *

            SourceSinkFactories.pathCharSourceFactory(),
            false));
    suite.addTest(
        CharSinkTester.tests(
            "MoreFiles.asCharSink[Path, Charset]", SourceSinkFactories.pathCharSinkFactory()));
    suite.addTest(
        CharSinkTester.tests(
            "MoreFiles.asCharSink[Path, Charset, APPEND]",
            SourceSinkFactories.appendingPathCharSinkFactory()));
    suite.addTestSuite(MoreFilesTest.class);
    return suite;

        try {
          writer.write(initialString);
        } finally {
          writer.close();
        }
        return Files.asCharSink(file, UTF_8, FileWriteMode.APPEND);
      }
      return Files.asCharSink(file, UTF_8);
    }

    @Override
    public String getExpected(String string) {
      checkNotNull(string);

        try {
          writer.write(initialString);
        } finally {
          writer.close();
        }
        return Files.asCharSink(file, UTF_8, FileWriteMode.APPEND);
      }
      return Files.asCharSink(file, UTF_8);
    }

    @Override
    public String getExpected(String string) {
      checkNotNull(string);

    try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
      Path fooPath = fs.getPath("foo");
      Path barPath = fs.getPath("bar");
      MoreFiles.asCharSink(fooPath, UTF_8).write("foo");
      MoreFiles.asCharSink(barPath, UTF_8).write("barbar");

      assertThat(MoreFiles.equal(fooPath, barPath)).isFalse();
      assertThat(MoreFiles.equal(fooPath, fooPath)).isTrue();

 *       doing something and finally closing the writer that was opened.
 * </ul>
 *
 * <p>Any {@link ByteSink} may be viewed as a {@code CharSink} with a specific {@linkplain Charset
 * character encoding} using {@link ByteSink#asCharSink(Charset)}. Characters written to the
 * resulting {@code CharSink} will written to the {@code ByteSink} as encoded bytes.
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible

          .put(ByteSource.class, ByteSource.empty())
          .put(CharSource.class, CharSource.empty())
          .put(ByteSink.class, NullByteSink.INSTANCE)
          .put(CharSink.class, NullByteSink.INSTANCE.asCharSink(UTF_8))
          // All collections are immutable empty. So safe for any type parameter.
          .put(Iterator.class, ImmutableSet.of().iterator())

          .put(ByteSource.class, ByteSource.empty())
          .put(CharSource.class, CharSource.empty())
          .put(ByteSink.class, NullByteSink.INSTANCE)
          .put(CharSink.class, NullByteSink.INSTANCE.asCharSink(UTF_8))
          // All collections are immutable empty. So safe for any type parameter.
          .put(Iterator.class, ImmutableSet.of().iterator())

   * StandardOpenOption#TRUNCATE_EXISTING TRUNCATE_EXISTING} and {@link StandardOpenOption#WRITE
   * WRITE} options.
   */
  public static CharSink asCharSink(Path path, Charset charset, OpenOption... options) {
    return asByteSink(path, options).asCharSink(charset);
  }

  /**
   * Returns an immutable list of paths to the files contained in the given directory.
   *

   * StandardOpenOption#TRUNCATE_EXISTING TRUNCATE_EXISTING} and {@link StandardOpenOption#WRITE
   * WRITE} options.
   */
  public static CharSink asCharSink(Path path, Charset charset, OpenOption... options) {
    return asByteSink(path, options).asCharSink(charset);
  }

  /**
   * Returns an immutable list of paths to the files contained in the given directory.
   *