return {
  summary = 'Starts the headset session.',
  description = [[
    Starts the headset session.  This must be called after the graphics module is initialized, and
    can only be called once.  Normally it is called automatically by `boot.lua`.
  ]],
  arguments = {},
  returns = {},
  variants = {
    {
      arguments = {},
      returns = {}
    }
  }
}