public String getEniId() {
        return this.eniId;
    }
<p>
The resource identifier of the elastic network interface that is attached to instances in your VPC. All network
interfaces have the eni-xxxxxxxx resource identifier.
</p>

@return The resource identifier of the elastic network interface that is attached to instances in your VPC. All
        network interfaces have the eni-xxxxxxxx resource identifier.
aws-java-sdk-workspaces/src/main/java/com/amazonaws/services/workspaces/model/NetworkAccessConfiguration.java