module Spec::Example::ExampleGroupFactory::ClassMethods

def determine_superclass(opts)
  if type = opts[:type]
    self[type]
  elsif opts[:location] =~ /spec(\\|\/)(#{@example_group_types.keys.sort_by{|k| k.to_s.length}.reverse.join('|')})/
    self[$2 == '' ? nil : $2.to_sym]
  else
    self[nil]
  end
end