public com.google.cloud.tpu.v2alpha1.ShieldedInstanceConfig getShieldedInstanceConfig() {
      if (shieldedInstanceConfigBuilder_ == null) {
        return shieldedInstanceConfig_ == null
            ? com.google.cloud.tpu.v2alpha1.ShieldedInstanceConfig.getDefaultInstance()
            : shieldedInstanceConfig_;
      } else {
        return shieldedInstanceConfigBuilder_.getMessage();
      }
    }
<pre>
Shielded Instance options.
</pre>

<code>.google.cloud.tpu.v2alpha1.ShieldedInstanceConfig shielded_instance_config = 45;</code>

@return The shieldedInstanceConfig.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java