@Nullable
  public XStackFrame createStackFrame(@NotNull StackFrameDescriptorImpl descriptor) {
    Location location = descriptor.getLocation();
    if (location != null) {
      return createStackFrame(descriptor.getFrameProxy(), (DebugProcessImpl)descriptor.getDebugProcess(), location);
    }
    return null;
  }
@Nullable
  public XStackFrame createStackFrame(@NotNull StackFrameDescriptorImpl descriptor)