assertTrue(endLatch.await(30, TimeUnit.SECONDS), "All threads should complete within timeout");
        executor.shutdown();

        // Then - Verify no exceptions occurred
        if (!exceptions.isEmpty()) {
            fail("Concurrent operations caused exceptions: " + exceptions.get(0));
        }

        assertEquals(threadCount * opsPerThread, successCount.get(), "All operations should succeed");
    }

            this.bufferSize = bufferSize;
            this.cache = new ArrayList<>(maxBuffers);
        }

        @Override
        public synchronized byte[] getBuffer() {
            if (!cache.isEmpty()) {
                return cache.remove(0);
            }
            return new byte[bufferSize];
        }

        @Override
        public synchronized void releaseBuffer(byte[] buf) {

 *
 * @author Colin Decker
 */
@GwtCompatible
final class GoogleHelpers {

  private GoogleHelpers() {}

  static void assertEmpty(Multimap<?, ?> multimap) {
    if (!multimap.isEmpty()) {
      fail("Not true that " + multimap + " is empty");
    }
  }

  public void testNewArray_fromClass_empty() {
    String[] empty = ObjectArrays.newArray(String.class, 0);
    assertEquals(String[].class, empty.getClass());
    assertThat(empty).isEmpty();
  }

  @GwtIncompatible // ObjectArrays.newArray(Class, int)
  public void testNewArray_fromClass_nonempty() {
    String[] array = ObjectArrays.newArray(String.class, 2);

            return ((Boolean) o) ? (byte) 1 : (byte) 0;
        } else {
            return toByte(o.toString());
        }
    }

    private static Byte toByte(final String s) {
        if (StringUtil.isEmpty(s)) {
            return null;
        }
        return Byte.valueOf(DecimalFormatUtil.normalize(s));
    }

    /**
     * Converts to {@literal byte}.
     *
     * @param o

     *         matched the requested range
     */
    @Nonnull
    default Optional<Version> getLowestVersion() {
        return getVersions().isEmpty()
                ? Optional.empty()
                : Optional.of(getVersions().get(0));
    }

    /**
     * Gets the highest version matching the requested range.
     *

        rangeMap.put(range1, 1);
        rangeMap.put(range2, 2);

        Range<Integer> expected;
        if (range1.isEmpty()) {
          if (range2.isEmpty()) {
            expected = null;
          } else {
            expected = range2;
          }
        } else {
          if (range2.isEmpty()) {
            expected = range1;
          } else {
            expected = range1.span(range2);
          }

            String msg = "Cannot register null or empty aggregation: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidAggregationCollection(String name, Collection<?> values) {
        if (values == null || values.isEmpty()) {

                sb.append(LS);
                sb.append("from the specified remote repositories:");
                sb.append(LS).append("  ");

                if (remoteRepositories.isEmpty()) {
                    sb.append("(none)");
                }

                for (Iterator<ArtifactRepository> i = remoteRepositories.iterator(); i.hasNext(); ) {

    assertThat(nothing).containsExactly("").inOrder();
  }

  public void testCharacterSplitOnEmptyStringOmitEmptyStrings() {
    assertThat(Splitter.on('.').omitEmptyStrings().split("")).isEmpty();
  }

  public void testCharacterSplitOnOnlyDelimiter() {
    Iterable<String> blankblank = Splitter.on('.').split(".");
    assertThat(blankblank).containsExactly("", "").inOrder();
  }