* happen due to spurious wakeup (ignorable) or another thread acquiring the lock before the
   * current thread can and returning the guard to the unsatisfied state. In the latter case the
   * other thread (last thread modifying the state protected by the monitor) takes over the
   * responsibility of signalling the next waiter.
   *

   * happen due to spurious wakeup (ignorable) or another thread acquiring the lock before the
   * current thread can and returning the guard to the unsatisfied state. In the latter case the
   * other thread (last thread modifying the state protected by the monitor) takes over the
   * responsibility of signalling the next waiter.
   *