public Long getNamespaceVersion() {
        return this.namespaceVersion;
    }
<p>
The version of the user's namespace. Defaults to the latest version of the user's namespace.
</p>

@return The version of the user's namespace. Defaults to the latest version of the user's namespace.
aws-java-sdk-iotthingsgraph/src/main/java/com/amazonaws/services/iotthingsgraph/model/GetEntitiesRequest.java