content: ' Stops setTimeout callback calls.
  ' @param {Object} timeoutId - The ID of the timer returned by setTimeout.
  sub clearTimeoutCore(timeoutId as Object)
    if (timeoutId = Invalid OR m["$$setTimeoutData"] = Invalid)
      return
    end if
  
    timeout = m["$$setTimeoutData"][timeoutId]
  
    if (timeout = Invalid)
      return
    end if
  
    timeout.timer.unobserveFieldScoped("fire")
    timeout.timer.control = "stop"
    m["$$setTimeoutData"].delete(timeoutId)
  end sub
  