public static com.google.cloud.tpu.v2alpha1.ShieldedInstanceConfig getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
<pre>
Defines whether the instance has Secure Boot enabled.
</pre>

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

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/ShieldedInstanceConfig.java