@Nullable
  @Override
  public ClassLoaderReference getClassLoader() throws EvaluateException {
    DebuggerManagerThreadImpl.assertIsManagerThread();
    if (myClassLoader != null) {
      return myClassLoader;
    }
    return myFrameProxy != null ? myFrameProxy.getClassLoader() : null;
  }
@Nullable
  @Override
  public ClassLoaderReference getClassLoader()