@NullUnmarked
public class CharSinkTester extends SourceSinkTester<CharSink, String, CharSinkFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(CharSinkTester.class);

  static TestSuite tests(String name, CharSinkFactory factory) {
    TestSuite suite = new TestSuite(name);
    for (Entry<String, String> entry : TEST_STRINGS.entrySet()) {

@NullUnmarked
public class CharSinkTester extends SourceSinkTester<CharSink, String, CharSinkFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(CharSinkTester.class);

  static TestSuite tests(String name, CharSinkFactory factory) {
    TestSuite suite = new TestSuite(name);
    for (Entry<String, String> entry : TEST_STRINGS.entrySet()) {

  }

  public static CharSourceFactory fileCharSourceFactory() {
    return new FileCharSourceFactory();
  }

  public static CharSinkFactory fileCharSinkFactory() {
    return new FileCharSinkFactory(null);
  }

  public static CharSinkFactory appendingFileCharSinkFactory() {
    String initialString = IoTestCase.ASCII + IoTestCase.I18N;
    return new FileCharSinkFactory(initialString);
  }

  /** Factory for {@link CharSource} instances. */
  interface CharSourceFactory extends SourceFactory<CharSource, String> {}

  /** Factory for {@link CharSink} instances. */
  interface CharSinkFactory extends SinkFactory<CharSink, String> {}

  /** Factory for {@link CharSource} instances. */
  interface CharSourceFactory extends SourceFactory<CharSource, String> {}

  /** Factory for {@link CharSink} instances. */
  interface CharSinkFactory extends SinkFactory<CharSink, String> {}