code: public LabeledDatum<HString> asLabeledData(@NonNull AttributeType attributeTypeLabel) {
        return LabeledDatum.of(get(attributeTypeLabel), this);
     }
docs: Creates a labeled data point from this HString using the value of the given attribute type as the label, i.e.
  class.
  
  @param attributeTypeLabel the attribute type whose value will become the label of the data point
  @return the labeled datum