@NotNull
  @Override
  public ThreeState computeInlineDebuggerData(@NotNull final XInlineDebuggerDataCallback callback) {
    // show fields only for 'this' node
    if (myValueDescriptor instanceof FieldDescriptor && myParent != null && !(myParent.myValueDescriptor instanceof ThisDescriptorImpl)) {
      return ThreeState.NO;
    }
    computeSourcePosition(callback::computed, true);
    return ThreeState.YES;
  }
@NotNull
  @Override
  public ThreeState computeInlineDebuggerData(@NotNull final XInlineDebuggerDataCallback callback)