# File lib/sinatra/rabbit.rb, line 207
    def collection(name, &block)
      raise DuplicateCollectionException if collections[name]
      return unless Deltacloud::driver.has_collection?(name.to_sym)
      collections[name] = Collection.new(name, &block)
      collections[name].add_feature_params(Deltacloud::driver.features(name))
      collections[name].generate
    end