static Optional<Model> fromXml(DeployState ds, Element parent, String name, Set<String> requiredTags) {
        return XmlHelper.getOptionalChild(parent, name).map(e -> fromXml(ds, e, requiredTags));
    }
Represents a model, e.g ONNX model for an embedder.

@author bjorncs
config-model/src/main/java/com/yahoo/vespa/model/container/component/Model.java