ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    builder.addCopies("a", 2);
    builder.add("b");
    builder.add("c");
    builder.setCount("b", 0);
    ImmutableMultiset<String> multiset = builder.build();
    assertThat(multiset.elementSet()).containsExactly("a", "c").inOrder();
    builder.add("b");
    assertThat(builder.build().elementSet()).containsExactly("a", "c", "b").inOrder();

    {
      ImmutableSet.Builder<String> builder = this.<String>builder();
      assertThrows(NullPointerException.class, () -> builder.add((String) null));
    }

    {
      ImmutableSet.Builder<String> builder = this.<String>builder();
      assertThrows(NullPointerException.class, () -> builder.add((String[]) null));
    }

    {
      ImmutableSet.Builder<String> builder = this.<String>builder();

      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterable<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterator<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();

                    ImmutableSet.Builder<String> builder = ImmutableSet.builder();
                    builder.forceJdk();
                    builder.add(elements);
                    return builder.build();
                  }
                })
            .named(ImmutableSetTest.class.getName() + ", with JDK builder")
            .withFeatures(
                CollectionSize.ANY,

    /**
     * Returns a proto session builder of this instance.
     */
    @Nonnull
    default Builder toBuilder() {
        try {
            return new Builder(
                    getUserProperties(), getSystemProperties(), getStartTime(), getTopDirectory(), getRootDirectory());
        } catch (IllegalStateException e) {

    vararg intermediates: X509Certificate,
  ): OkHttpClient {
    val builder =
      HandshakeCertificates
        .Builder()
        .addTrustedCertificate(serverRootCa.certificate)
    if (heldCertificate != null) {
      builder.heldCertificate(heldCertificate, *intermediates)
    }
    val handshakeCertificates = builder.build()
    return clientTestRule
      .newClientBuilder()
      .sslSocketFactory(

        regA(builder);
        return builder;
    }

    protected void regA(AbstractAggregationBuilder<?> builder) {
        assertObjectNotNull("builder", builder);
        if (aggregationAggregationBuilderList == null) {
            aggregationAggregationBuilderList = new ArrayList<>();
        }
        aggregationAggregationBuilderList.add(builder);
    }

        MatchPhrasePrefixQueryBuilder builder = regMatchPhrasePrefixQ("boost", boost);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setBoost_Fuzzy(Float boost) {
        setBoost_Fuzzy(boost, null);
    }

    public void setBoost_Fuzzy(Float boost, ConditionOptionCall<MatchQueryBuilder> opLambda) {
        MatchQueryBuilder builder = regFuzzyQ("boost", boost);

        ScriptedMetricAggregationBuilder builder = regScriptedMetricA(name);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void topHits(String name, ConditionOptionCall<TopHitsAggregationBuilder> opLambda) {
        TopHitsAggregationBuilder builder = regTopHitsA(name);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

        regA(builder);
        return builder;
    }

    protected void regA(AbstractAggregationBuilder<?> builder) {
        assertObjectNotNull("builder", builder);
        if (aggregationAggregationBuilderList == null) {
            aggregationAggregationBuilderList = new ArrayList<>();
        }
        aggregationAggregationBuilderList.add(builder);
    }