@Nullable
    private PyParamSpecType getParamSpecTypeFromContainerParameters(@Nullable PyCallableParameter positionalContainer,
                                                                    @Nullable PyCallableParameter keywordContainer) {
      if (positionalContainer == null && keywordContainer == null) return null;
      PyCallableParameter container = Objects.requireNonNullElse(positionalContainer, keywordContainer);
      return as(container.getType(myTypeEvalContext), PyParamSpecType.class);
    }
@Nullable
    private PyParamSpecType getParamSpecTypeFromContainerParameters(@Nullable PyCallableParameter positionalContainer,
                                                                    @Nullable PyCallableParameter keywordContainer)