class AWS::IAM::GroupUserCollection

def _each_item options = {}, &block

def _each_item options = {}, &block
  response = client.get_group(:group_name => group.name)
  response.users.each do |u|
    user = User.new_from(:get_group, u, u.user_name, :config => config)
    yield(user)
  end
end