* in the class javadoc.
   *
   * <p>If you can represent the duration as a {@link Duration} (which should be preferred when
   * feasible), use {@link #expireAfterWrite(Duration)} instead.
   *
   * @param duration the length of time after an entry is created that it should be automatically
   *     removed

   * in the class javadoc.
   *
   * <p>If you can represent the duration as a {@link Duration} (which should be preferred when
   * feasible), use {@link #expireAfterWrite(Duration)} instead.
   *
   * @param duration the length of time after an entry is created that it should be automatically
   *     removed