@NotNull
  @Override
  public ValueDescriptorImpl createValueDescription(@NotNull Project project, @NotNull Value referee) {
    return new ValueDescriptorImpl(project, null) {
      @Override
      public String getName() {
        return "Ref";
      }

      @Override
      public Value calcValue(EvaluationContextImpl evaluationContext) {
        return null;
      }

      @Override
      public PsiExpression getDescriptorEvaluation(DebuggerContext context) {
        return null;
      }
    };
  }
@NotNull
  @Override
  public ValueDescriptorImpl createValueDescription(@NotNull Project project, @NotNull Value referee)