module Zeitwerk::ConstAdded

def const_added(cname)
  if loader = Zeitwerk::Registry::ExplicitNamespaces.__loader_for(self, cname)
    namespace = const_get(cname, false)
    unless namespace.is_a?(Module)
      cref = Zeitwerk::Cref.new(self, cname)
      raise Zeitwerk::Error, "#{cref} is expected to be a namespace, should be a class or module (got #{namespace.class})"
    end
    loader.__on_namespace_loaded(Zeitwerk::Cref.new(self, cname), namespace)
  end
  super
end