@Nullable
  @Override
  public ExternalLibraryDescriptor resolvePackage(@NotNull String packageName) {
    if (packageName.equals("org.junit.jupiter") || packageName.equals("org.junit")) {
      return JUnitExternalLibraryDescriptor.JUNIT5;
    }
    return null;
  }
@Nullable
  @Override
  public ExternalLibraryDescriptor resolvePackage(@NotNull String packageName)