public Builder mergeVulnerableHeaders(
        com.google.cloud.websecurityscanner.v1beta.VulnerableHeaders value) {
      if (vulnerableHeadersBuilder_ == null) {
        if (((bitField0_ & 0x00002000) != 0)
            && vulnerableHeaders_ != null
            && vulnerableHeaders_
                != com.google.cloud.websecurityscanner.v1beta.VulnerableHeaders
                    .getDefaultInstance()) {
          getVulnerableHeadersBuilder().mergeFrom(value);
        } else {
          vulnerableHeaders_ = value;
        }
      } else {
        vulnerableHeadersBuilder_.mergeFrom(value);
      }
      if (vulnerableHeaders_ != null) {
        bitField0_ |= 0x00002000;
        onChanged();
      }
      return this;
    }
<pre>
An addon containing information about vulnerable or missing HTTP headers.
</pre>

<code>.google.cloud.websecurityscanner.v1beta.VulnerableHeaders vulnerable_headers = 15;
</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/Finding.java