class RSpec::Core::ExampleGroup

def self.ordering_strategy
  order = metadata.fetch(:order, :global)
  registry = RSpec.configuration.ordering_registry
  registry.fetch(order) do
    warn <<-WARNING.gsub(/^ +\|/, '')
      |WARNING: Ignoring unknown ordering specified using `:order => #{order.inspect}` metadata.
      |         Falling back to configured global ordering.
      |         Unrecognized ordering specified at: #{location}
    WARNING
    registry.fetch(:global)
  end
end