private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getModuleFieldBuilder();
        getBuildIdFieldBuilder();
      }
    }
<pre>
Binary module.
</pre>

Protobuf type {@code google.devtools.cloudtrace.v2.Module}
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Module.java