}
    assertTrue("Should report error when no exception is thrown", foundProblem);
  }

  /**
   * Class for testing all permutations of nullable/non-nullable two-argument methods using
   * testMethod().
   *
   * <ul>
   *   <li>normalNormal: two params, neither is Nullable
   *   <li>nullableNormal: only first param is Nullable
   *   <li>normalNullable: only second param is Nullable

  }

  private fun releaseClient() {
    testClient?.dispatcher?.executorService?.shutdown()
  }

  @SuppressLint("NewApi")
  private fun ExtensionContext.isFlaky(): Boolean =
    (testMethod.orElseGet { null }?.isAnnotationPresent(Flaky::class.java) == true) ||
      (testClass.orElseGet { null }?.isAnnotationPresent(Flaky::class.java) == true)

  @Synchronized private fun logEvents() {

@NullUnmarked
public class CharSourceTester extends SourceSinkTester<CharSource, String, CharSourceFactory> {

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

  static TestSuite tests(String name, CharSourceFactory factory, boolean testAsByteSource) {
    TestSuite suite = new TestSuite(name);