@java.lang.Override
  public com.google.cloud.vmwareengine.v1.HcxActivationKey getHcxActivationKey() {
    return hcxActivationKey_ == null
        ? com.google.cloud.vmwareengine.v1.HcxActivationKey.getDefaultInstance()
        : hcxActivationKey_;
  }
<pre>
Required. The initial description of a new HCX activation key. When
creating a new key, this field must be an empty object.
</pre>

<code>
.google.cloud.vmwareengine.v1.HcxActivationKey hcx_activation_key = 2 [(.google.api.field_behavior) = REQUIRED];
</code>

@return The hcxActivationKey.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/CreateHcxActivationKeyRequest.java