func (h *CountHook) PreApply(
n *terraform.InstanceInfo,
s *terraform.InstanceState,
d *terraform.InstanceDiff) (terraform.HookAction, error) {
h.Lock()
defer h.Unlock()
if h.pending == nil {
h.pending = make(map[string]countHookAction)
}
action := countHookActionChange
if d.GetDestroy() {
action = countHookActionRemove
} else if s.ID == "" {
action = countHookActionAdd
}
h.pending[n.HumanId()] = action
return terraform.HookActionContinue, nil
}
