CacheBuilderSpec spec = parse("expireAfterWrite=10m");
    assertEquals(TimeUnit.MINUTES, spec.writeExpirationTimeUnit);
    assertEquals(10L, spec.writeExpirationDuration);
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().expireAfterWrite(10L, TimeUnit.MINUTES), CacheBuilder.from(spec));
  }

  public void testParse_writeExpirationSeconds() {

            ByteArrayOutputStream stderr = connectStream(process.getErrorStream(), latch);

            process.waitFor(1, TimeUnit.MINUTES);
            latch.await(1, TimeUnit.MINUTES);
            return new ExecResult(args, process.exitValue(), stdout.toString(), stderr.toString());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

      try {
        locked.countDown();
        finishLatch.await(1, TimeUnit.MINUTES);
      } catch (InterruptedException e) {
        fail(e.toString());
      } finally {
        lock.unlock();
      }
    }

    void waitUntilHoldingLock() throws InterruptedException {
      locked.await(1, TimeUnit.MINUTES);
    }

    void releaseLockAndFinish() throws InterruptedException {

    protected LoadingCache<ArtifactType, Artifact[]> availableArtifacts = CacheBuilder.newBuilder().maximumSize(10)
            .expireAfterWrite(5, TimeUnit.MINUTES).build(new CacheLoader<ArtifactType, Artifact[]>() {
                @Override
                public Artifact[] load(final ArtifactType key) {
                    final List<Artifact> list = new ArrayList<>();

 * never be removed.
 *
 * <p>Durations are represented by an integer, followed by one of "d", "h", "m", or "s",
 * representing days, hours, minutes, or seconds respectively. (There is currently no syntax to
 * request expiration in milliseconds, microseconds, or nanoseconds.)
 *
 * <p>Whitespace before and after commas and equal signs is ignored. Keys may not be repeated; it is

    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .expireAfterAccess(1, TimeUnit.MINUTES)
            .removalListener(listener)
            .ticker(ticker)
            .build();
    cache.put(1, 1);
    ticker.advance(10, TimeUnit.MINUTES);
    cache.invalidateAll();

    assertThat(listener.poll().getCause()).isEqualTo(RemovalCause.EXPIRED);
  }

    private static LoadingCache<String, Long> resourceHashCache =
            CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(10, TimeUnit.MINUTES).build(new CacheLoader<String, Long>() {
                @Override
                public Long load(final String key) throws Exception {
                    try {

    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .expireAfterAccess(1, TimeUnit.MINUTES)
            .removalListener(listener)
            .ticker(ticker)
            .build();
    cache.put(1, 1);
    ticker.advance(10, TimeUnit.MINUTES);
    cache.invalidateAll();

    assertThat(listener.poll().getCause()).isEqualTo(RemovalCause.EXPIRED);
  }

        if (config != null) {
            final Integer timeToLive = config.getTimeToLive();
            if (timeToLive != null) {
                // timeToLive minutes
                final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                return new Date(now + timeToLive.longValue() * 1000 * 60);
            }
        }

    CacheBuilderSpec spec = parse("expireAfterWrite=10m");
    assertEquals(TimeUnit.MINUTES, spec.writeExpirationTimeUnit);
    assertEquals(10L, spec.writeExpirationDuration);
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().expireAfterWrite(10L, TimeUnit.MINUTES), CacheBuilder.from(spec));
  }

  public void testParse_writeExpirationSeconds() {