content: regeneratorRuntime.mark(Function (x, y, z)
                    Return regeneratorRuntime.wrap(Function (_context)
                      While 1
                        if _context.prev = _context.next = 0 Then 
                          Return _context.delegateYield(x, "t0", 1),if _context.prev = _context.next = 1 Then 
                            ,if _context.prev = _context.next = "end" Then 
                              Return _context.stop()
                            End If
                          End While
                        End Function, _callee, /*{
   "type": "ThisExpression"
  }*/)
                      End Function)