class RSpec::Core::Ordering::ConfigurationManager

def order=(type)
  order, seed = type.to_s.split(':')
  @seed = seed.to_i if seed
  ordering_name = if order.include?('rand')
                    :random
                  elsif order == 'defined'
                    :defined
                  end
  register_ordering(:global, ordering_registry.fetch(ordering_name)) if ordering_name
end