* @throws IllegalArgumentException if duplicate keys were added
     */
    public ImmutableClassToInstanceMap<B> build() {
      ImmutableMap<Class<? extends B>, B> map = mapBuilder.buildOrThrow();
      if (map.isEmpty()) {
        return of();
      } else {
        return new ImmutableClassToInstanceMap<>(map);
      }
    }
  }

  /**

        ongoing.remove(new TransferResourceIdentifier(event.getResource()));
        put(event, ongoing.isEmpty());
    }

    @Override
    public void transferFailed(TransferEvent event) {
        ongoing.remove(new TransferResourceIdentifier(event.getResource()));
        put(event, ongoing.isEmpty());
    }

    private static class Exchange {
        private final TransferEvent event;

    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();
  }

        ThreadDumpUtil.processThreadDump(testConsumer);

        // Verify that thread dump was processed
        assertFalse("Should capture some thread dump output", capturedOutput.isEmpty());

        // Verify format - should contain "Thread:" entries
        boolean hasThreadEntry = capturedOutput.stream().anyMatch(line -> line.startsWith("Thread:"));

            builder.field(STORE_NAME.getPreferredName(), storeName);
        }
        if (this.params != null && !this.params.isEmpty()) {
            builder.field(PARAMS.getPreferredName(), this.params);
        }
        if (activeFeatures != null && !activeFeatures.isEmpty()) {
            builder.field(ACTIVE_FEATURES.getPreferredName(), activeFeatures);
        }
        printBoostAndQueryName(builder);

  RegularImmutableTable() {}

  abstract Cell<R, C, V> getCell(int iterationIndex);

  @Override
  final ImmutableSet<Cell<R, C, V>> createCellSet() {
    return isEmpty() ? ImmutableSet.of() : new CellSet();
  }

  @WeakOuter
  private final class CellSet extends IndexedImmutableSet<Cell<R, C, V>> {
    @Override
    public int size() {
      return RegularImmutableTable.this.size();

        this.resolutionNodes = resolutionNodes;
    }

    public boolean hasMissingArtifacts() {
        return missingArtifacts != null && !missingArtifacts.isEmpty();
    }

    public List<Artifact> getMissingArtifacts() {
        return missingArtifacts == null ? Collections.emptyList() : Collections.unmodifiableList(missingArtifacts);
    }

    public void deactivateOptionalProject(String selector) {
        this.activations.add(new ProjectActivationSettings(selector, ActivationSettings.deactivatedOpt()));
    }

    public boolean isEmpty() {
        return this.activations.isEmpty();
    }

            cq.matchAll();
            if (!idList.isEmpty()) {
                cf.not(subCf -> subCf.setCrawlingInfoId_InScope(idList));
            }
        }));
        crawlingInfoBhv.queryDelete(cb2 -> cb2.query().filtered((cq, cf) -> {
            cq.matchAll();
            if (!idList.isEmpty()) {
                cf.not(subCf -> subCf.setId_InScope(idList));
            }
        }));

            .createTestSuite());

    return suite;
  }

  public void testCreation_noArgs() {
    Multiset<String> multiset = ImmutableSortedMultiset.of();
    assertTrue(multiset.isEmpty());
  }

  public void testCreation_oneElement() {
    Multiset<String> multiset = ImmutableSortedMultiset.of("a");
    assertEquals(HashMultiset.create(asList("a")), multiset);
  }