@Override
  public final @Nullable Ref<PyType> getReturnType(@NotNull PyCallable callable, @NotNull TypeEvalContext context) {
    return withCustomContext(context, customContext -> {
      return getReturnType(callable, customContext);
    });
  }
@Override
  public final @Nullable Ref<PyType> getReturnType(@NotNull PyCallable callable, @NotNull TypeEvalContext context)