private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.websecurityscanner.v1.VulnerableHeaders,
            com.google.cloud.websecurityscanner.v1.VulnerableHeaders.Builder,
            com.google.cloud.websecurityscanner.v1.VulnerableHeadersOrBuilder>
        getVulnerableHeadersFieldBuilder() {
      if (vulnerableHeadersBuilder_ == null) {
        vulnerableHeadersBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.websecurityscanner.v1.VulnerableHeaders,
                com.google.cloud.websecurityscanner.v1.VulnerableHeaders.Builder,
                com.google.cloud.websecurityscanner.v1.VulnerableHeadersOrBuilder>(
                getVulnerableHeaders(), getParentForChildren(), isClean());
        vulnerableHeaders_ = null;
      }
      return vulnerableHeadersBuilder_;
    }
<pre>
Output only. An addon containing information about vulnerable or missing HTTP headers.
</pre>

<code>.google.cloud.websecurityscanner.v1.VulnerableHeaders vulnerable_headers = 15;</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/Finding.java