code: func (s *DynamicBanScore) Increase(persistent, transient uint32) uint32 {
  	s.mtx.Lock()
  	r := s.increase(persistent, transient, time.Now())
  	s.mtx.Unlock()
  	return r
  }
docs: // Increase increases both the persistent and decaying scores by the values
  // passed as parameters. The resulting score is returned.
  //
  // This function is safe for concurrent access.