public Builder addWarningTraces(
        com.google.cloud.websecurityscanner.v1.ScanRunWarningTrace value) {
      if (warningTracesBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureWarningTracesIsMutable();
        warningTraces_.add(value);
        onChanged();
      } else {
        warningTracesBuilder_.addMessage(value);
      }
      return this;
    }
<pre>
Output only. A list of warnings, if such are encountered during this scan run.
</pre>

<code>repeated .google.cloud.websecurityscanner.v1.ScanRunWarningTrace warning_traces = 11;
</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/ScanRun.java