.build()
    val set: MutableSet<Any> = CopyOnWriteArraySet()
    assertThat(set.add(ConnectionSpec.MODERN_TLS)).isTrue()
    assertThat(set.add(ConnectionSpec.COMPATIBLE_TLS)).isTrue()
    assertThat(set.add(ConnectionSpec.CLEARTEXT)).isTrue()
    assertThat(set.add(allTlsVersions)).isTrue()
    assertThat(set.add(allCipherSuites)).isTrue()
    allCipherSuites.hashCode()

              public Collection<String> create(String[] elements) {
                List<String> unfiltered = newArrayList();
                unfiltered.add("yyy");
                unfiltered.addAll(ImmutableList.copyOf(elements));
                unfiltered.add("zzz");
                unfiltered.add("abc");
                return Collections2.filter(Collections2.filter(unfiltered, LENGTH_1), NOT_YYY_ZZZ);
              }
            })

```

              public Collection<String> create(String[] elements) {
                List<String> unfiltered = newArrayList();
                unfiltered.add("yyy");
                unfiltered.addAll(ImmutableList.copyOf(elements));
                unfiltered.add("zzz");
                unfiltered.add("abc");
                return Collections2.filter(Collections2.filter(unfiltered, LENGTH_1), NOT_YYY_ZZZ);
              }
            })

    builder.add(Range.<Integer>all());

    // Add one-ended ranges
    for (int i = MIN_BOUND; i <= MAX_BOUND; i++) {
      for (BoundType type : BoundType.values()) {
        builder.add(Range.upTo(i, type));
        builder.add(Range.downTo(i, type));
      }
    }

    // Add two-ended ranges
    for (int i = MIN_BOUND; i <= MAX_BOUND; i++) {

    }

    public void add(ModelProblemCollectorRequest req) {
        switch (req.getSeverity()) {
            case FATAL:
                if (!fatals.contains(req.getMessage())) {
                    fatals.add(req.getMessage());
                }
                break;
            case ERROR:
                if (!errors.contains(req.getMessage())) {
                    errors.add(req.getMessage());
                }

                }
                bulkBuilder.add((IndexRequestBuilder) builder);
            } else if (builder instanceof UpdateRequestBuilder) {
                if (builderEntityCall != null) {
                    builderEntityCall.callback(builder);
                }
                bulkBuilder.add((UpdateRequestBuilder) builder);
            } else if (builder instanceof DeleteRequestBuilder) {

          || !(uncontended = a.cas(v = a.value, v + x))) retryUpdate(x, hc, uncontended);
    }
  }

  /** Equivalent to {@code add(1)}. */
  @Override
  public void increment() {
    add(1L);
  }

  /** Equivalent to {@code add(-1)}. */
  public void decrement() {
    add(-1L);
  }

  /**
   * Returns the current sum. The returned value is NOT an atomic snapshot; invocation in

          public void eat(Object food) {
            objectEvents.add(food);
          }
        };

    final List<Comparable<?>> compEvents = Lists.newArrayList();
    Object compCatcher =
        new Object() {
          @SuppressWarnings("unused")
          @Subscribe
          public void eat(Comparable<?> food) {
            compEvents.add(food);
          }
        };
    bus.register(stringCatcher);

        mappedSources
                .computeIfAbsent(groupId + ":" + artifactId, k -> new HashSet<>())
                .add(source);
        if (groupId != null) {
            mappedSources.computeIfAbsent(artifactId, k -> new HashSet<>()).add(source);
        }
    }