https://github.com/rails/rails/blob/85a8bc644be69908f05740a5886ec19cd3679df5/activesupport/lib/active_support/current_attributes.rb#L179-L185
https://github.com/rails/rails/blob/85a8bc644be69908f05740a5886ec19cd3679df5/actionview/lib/action_view/renderer/renderer.rb#L38-L44
