public Builder clearEnableSecureBoot() {
      bitField0_ = (bitField0_ & ~0x00000001);
      enableSecureBoot_ = false;
      onChanged();
      return this;
    }
<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