suggest.popular.word.size=10
# Window size for popular word suggestion.
suggest.popular.word.window.size=30
# Query frequency for popular word suggestion.
suggest.popular.word.query.freq=10
# Minimum hit count for suggestion.
suggest.min.hit.count=1
# Field for suggestion contents.
suggest.field.contents=_default
# Field for suggestion tags.
suggest.field.tags=label

     * The value is, e.g. 10 <br>
     * comment: Query frequency for popular word suggestion.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSuggestPopularWordQueryFreq();

    /**
     * Get the value for the key 'suggest.popular.word.query.freq' as {@link Integer}. <br>

        // ## Arrange ##
        CurlRequest req = new MockCurlRequest(Curl.Method.POST, "http://dummy");
        req.threshold(0); // always create tmp file

        // ## Act ##
        long before = countTmpFiles();
        logger.info("Before request. Number of temp files: " + before);
        req.execute(res -> {

        FilterChain chain = new FilterChain() {
            @Override
            public void doFilter(ServletRequest req, ServletResponse res) throws IOException, ServletException {
                chainCalled.set(true);
                assertSame(request, req);
                assertSame(response, res);
            }
        };

        // Setup WebApiManagerFactory that returns null

@RunWith(JUnit4.class)
@NullUnmarked
public class FinalizableReferenceQueueTest {

  private @Nullable FinalizableReferenceQueue frq;

  @After
  public void tearDown() throws Exception {
    frq = null;
  }

  @Test
  public void testFinalizeReferentCalled() {
    MockReference reference = new MockReference(frq = new FinalizableReferenceQueue());

    GcFinalization.awaitDone(() -> reference.finalizeReferentCalled);
  }

    // sepLoader is the loader that we will use to load the parallel FinalizableReferenceQueue (FRQ)
    // and friends, and that we will eventually expect to see garbage-collected. The assumption
    // is that the ClassLoader of this test is a URLClassLoader, and that it loads FRQ itself
    // rather than delegating to a parent ClassLoader. If this assumption is violated the test will

    // sepLoader is the loader that we will use to load the parallel FinalizableReferenceQueue (FRQ)
    // and friends, and that we will eventually expect to see garbage-collected. The assumption
    // is that the ClassLoader of this test is a URLClassLoader, and that it loads FRQ itself
    // rather than delegating to a parent ClassLoader. If this assumption is violated the test will

  public <S extends Comparable<?>> Ordering<S> reverse() {
    return (Ordering<S>) ReverseNaturalOrdering.INSTANCE;
  }

  // preserving singleton-ness gives equals()/hashCode() for free
  private Object readResolve() {
    return INSTANCE;
  }

  @Override
  public String toString() {
    return "Ordering.natural()";
  }

  private NaturalOrdering() {}

  public <S extends Comparable<?>> Ordering<S> reverse() {
    return (Ordering<S>) ReverseNaturalOrdering.INSTANCE;
  }

  // preserving singleton-ness gives equals()/hashCode() for free
  private Object readResolve() {
    return INSTANCE;
  }

  @Override
  public String toString() {
    return "Ordering.natural()";
  }

  private NaturalOrdering() {}

If the PR meets the above conditions, you can merge it. 😎

## Review PRs

* If a PR doesn't explain what it does or why, if it seems like it could be useful, ask for more information. Otherwise, feel free to close it.

* If a PR seems to be spam, meaningless, only to change statistics (to appear as "contributor") or similar, you can simply mark it as `invalid`, and it will be automatically closed.