public com.google.cloud.visionai.v1.InstanceOrBuilder getInstanceOrBuilder() {
        if (instanceBuilder_ != null) {
          return instanceBuilder_.getMessageOrBuilder();
        } else {
          return instance_ == null
              ? com.google.cloud.visionai.v1.Instance.getDefaultInstance()
              : instance_;
        }
      }
<pre>
Required. The resource being updated.
</pre>

<code>
.google.cloud.visionai.v1.Instance instance = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateApplicationInstancesRequest.java