--- 
FrontPage: !ruby/struct:InversePageIndex 
  name: FrontPage
  links: 
    - HelpPage
HelpPage: !ruby/struct:InversePageIndex 
  name: HelpPage
  links: 
    - FrontPage
SandBox: !ruby/struct:InversePageIndex 
  name: SandBox
  links: 
    - FrontPage