public com.google.cloud.websecurityscanner.v1.ScanRunWarningTrace.Builder
        addWarningTracesBuilder(int index) {
      return getWarningTracesFieldBuilder()
          .addBuilder(
              index,
              com.google.cloud.websecurityscanner.v1.ScanRunWarningTrace.getDefaultInstance());
    }
<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