@Nullable
  @Override
  public ExternalClassResolveResult resolveClass(@NotNull String shortClassName, @NotNull ThreeState isAnnotation, @NotNull Module contextModule) {
    if ("TestCase".equals(shortClassName)) {
      return new ExternalClassResolveResult("junit.framework.TestCase", JUnitExternalLibraryDescriptor.JUNIT3);
    }
    if (isAnnotation == ThreeState.YES && JUNIT4_ANNOTATIONS.contains(shortClassName)) {
      return new ExternalClassResolveResult("org.junit." + shortClassName, JUnitExternalLibraryDescriptor.JUNIT4);
    }
    return null;
  }
@Nullable
  @Override
  public ExternalClassResolveResult resolveClass(@NotNull String shortClassName, @NotNull ThreeState isAnnotation, @NotNull Module contextModule)