class ViewModel::TraversalContext

def run_callback(hook, view, **args)
  # Run in-viewmodel callback hooks before context hooks, as they are
  # permitted to alter the model.
  if view.respond_to?(hook.dsl_viewmodel_callback_method)
    view.public_send(hook.dsl_viewmodel_callback_method, hook.context_name => self, **args)
  end
  callbacks.each do |callback|
    callback.run_callback(hook, view, self, **args)
  end
end