@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (enableSecureBoot_ != false) {
      size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, enableSecureBoot_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Defines whether the instance has Secure Boot enabled.
</pre>

<code>bool enable_secure_boot = 1;</code>

@return The enableSecureBoot.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/ShieldedInstanceConfig.java