public Builder mergeConfidentialInstanceConfig(
            com.google.cloud.workstations.v1beta.WorkstationConfig.Host.GceInstance
                    .GceConfidentialInstanceConfig
                value) {
          if (confidentialInstanceConfigBuilder_ == null) {
            if (((bitField0_ & 0x00000200) != 0)
                && confidentialInstanceConfig_ != null
                && confidentialInstanceConfig_
                    != com.google.cloud.workstations.v1beta.WorkstationConfig.Host.GceInstance
                        .GceConfidentialInstanceConfig.getDefaultInstance()) {
              getConfidentialInstanceConfigBuilder().mergeFrom(value);
            } else {
              confidentialInstanceConfig_ = value;
            }
          } else {
            confidentialInstanceConfigBuilder_.mergeFrom(value);
          }
          if (confidentialInstanceConfig_ != null) {
            bitField0_ |= 0x00000200;
            onChanged();
          }
          return this;
        }
<pre>
Optional. A set of Compute Engine Confidential VM instance options.
</pre>

<code>
.google.cloud.workstations.v1beta.WorkstationConfig.Host.GceInstance.GceConfidentialInstanceConfig confidential_instance_config = 10 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/WorkstationConfig.java