module AWS::IAM::Collection

def _each_item marker, max_items, options = {}, &block
  options[:marker] = marker if marker
  options[:max_items] = max_items if max_items
  response = client.send(request_method, options)
  each_item(response, &block)
  response.data[:marker]
end

def request_method
  name = Core::Inflection.ruby_name(self.class.name).sub(/_collection$/, '')
  "list_#{name}s"
end