public Builder mergeThreat(com.google.webrisk.v1.SearchUrisResponse.ThreatUri value) {
      if (threatBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && threat_ != null
            && threat_ != com.google.webrisk.v1.SearchUrisResponse.ThreatUri.getDefaultInstance()) {
          getThreatBuilder().mergeFrom(value);
        } else {
          threat_ = value;
        }
      } else {
        threatBuilder_.mergeFrom(value);
      }
      if (threat_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<pre>
The threat list matches. This might be empty if the URI is on no list.
</pre>

<code>.google.cloud.webrisk.v1.SearchUrisResponse.ThreatUri threat = 1;</code>
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/SearchUrisResponse.java