this.expireAfterAccessNanos = unit.toNanos(duration);
    return this;
  }

  @SuppressWarnings("GoodTime") // nanos internally, should be Duration
  long getExpireAfterAccessNanos() {
    return (expireAfterAccessNanos == UNSET_INT)
        ? DEFAULT_EXPIRATION_NANOS
        : expireAfterAccessNanos;
  }

  /**

    this.expireAfterAccessNanos = unit.toNanos(duration);
    return this;
  }

  @SuppressWarnings("GoodTime") // nanos internally, should be Duration
  long getExpireAfterAccessNanos() {
    return (expireAfterAccessNanos == UNSET_INT)
        ? DEFAULT_EXPIRATION_NANOS
        : expireAfterAccessNanos;
  }

  /**

    valueEquivalence = builder.getValueEquivalence();

    maxWeight = builder.getMaximumWeight();
    weigher = builder.getWeigher();
    expireAfterAccessNanos = builder.getExpireAfterAccessNanos();
    expireAfterWriteNanos = builder.getExpireAfterWriteNanos();
    refreshNanos = builder.getRefreshNanos();

    removalListener = builder.getRemovalListener();
    removalNotificationQueue =