class Cheminee::Configuration

def configure_middleware(connection)
  return if @middlewares.empty?
  [:request, :response, :use, :insert, :insert_before, :insert_after, :swap].each do |operation|
    next unless @middlewares.key?(operation)
    @middlewares[operation].each do |key, args, block|
      connection.builder.send(operation, key, *args, &block)
    end
  end
  if @middlewares.key?(:delete)
    @middlewares[:delete].each do |key, _args, _block|
      connection.builder.delete(key)
    end
  end
end