class AWS::CloudFormation::StackResourceSummaryCollection

def _each_item options = {}
  next_token = nil
  begin
    options = {}
    options[:next_token] = next_token if next_token
    options[:stack_name] = stack.name
    resp = client.list_stack_resources(options)
    resp.stack_resource_summaries.each do |summary|
      yield(summary.to_hash)
    end
    next_token = resp.data[:next_token]
  end while next_token
end