public Boolean isEnableNetworkIsolation() {
        return this.enableNetworkIsolation;
    }
<p>
Isolates the training container. No inbound or outbound network calls can be made, except for calls between peers
within a training cluster for distributed training. If network isolation is used for training jobs that are
configured to use a VPC, SageMaker downloads and uploads customer data and model artifacts through the specified
VPC, but the training container does not have network access.
</p>

@return Isolates the training container. No inbound or outbound network calls can be made, except for calls
        between peers within a training cluster for distributed training. If network isolation is used for
        training jobs that are configured to use a VPC, SageMaker downloads and uploads customer data and model
        artifacts through the specified VPC, but the training container does not have network access.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/HyperParameterTrainingJobDefinition.java