regA(builder);
        return builder;
    }

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

[builder][held_certificate_builder] to create a self-signed certificate that a test server can use
for HTTPS:

```java
HeldCertificate localhostCertificate = new HeldCertificate.Builder()
    .addSubjectAlternativeName("localhost")
    .build();
```

[`HandshakeCertificates`][handshake_certificates] keeps the certificates for a TLS handshake.

        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);
        }
    }

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

    public void setCreatedBy_Wildcard(String createdBy) {
        setCreatedBy_Wildcard(createdBy, null);
    }

    public void setCreatedBy_Wildcard(String createdBy, ConditionOptionCall<WildcardQueryBuilder> opLambda) {
        WildcardQueryBuilder builder = regWildcardQ("createdBy", createdBy);

        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);
        }
    }

        BooleanQuery.Builder innerBoolQueryBuilder = new BooleanQuery.Builder();
        TermQuery innerTermQuery = new TermQuery(new Term("innerField", "innerValue"));
        innerBoolQueryBuilder.add(innerTermQuery, BooleanClause.Occur.MUST);
        BooleanQuery innerBooleanQuery = innerBoolQueryBuilder.build();

        // Create outer BooleanQuery
        BooleanQuery.Builder outerBoolQueryBuilder = new BooleanQuery.Builder();

        MatchQueryBuilder builder = regFuzzyQ("content", content);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setContent_Prefix(String content) {
        setContent_Prefix(content, null);
    }

    public void setContent_Prefix(String content, ConditionOptionCall<PrefixQueryBuilder> opLambda) {
        PrefixQueryBuilder builder = regPrefixQ("content", content);

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

    public void setCreatedBy_Wildcard(String createdBy) {
        setCreatedBy_Wildcard(createdBy, null);
    }

    public void setCreatedBy_Wildcard(String createdBy, ConditionOptionCall<WildcardQueryBuilder> opLambda) {
        WildcardQueryBuilder builder = regWildcardQ("createdBy", createdBy);

        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);
        }
    }

    val headers =
      Headers
        .Builder()
        .add("WWW-Authenticate: Basic realm=\"protected area\"")
        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate"))
      .isEqualTo(listOf(Challenge("Basic", mapOf("realm" to "protected area"))))
  }

  @Test fun basicChallengeWithCharset() {
    val headers =
      Headers
        .Builder()