@TestOnly
 public static ParameterInfoUIContextEx createContext(
     Object[] objects,
     Editor editor,
     @NotNull ParameterInfoHandler handler,
     int currentParameterIndex,
     @Nullable PsiElement parameterOwner) {
   final ParameterInfoComponent infoComponent =
       new ParameterInfoComponent(objects, editor, handler);
   infoComponent.setCurrentParameterIndex(currentParameterIndex);
   infoComponent.setParameterOwner(parameterOwner);
   return infoComponent.new MyParameterContext();
 }