public static FieldUpdate createAddAll(Field field, List<? extends FieldValue> values) {
        return new FieldUpdate(field, ValueUpdate.createAddAll(values));
    }
Creates a new field update, with encapsulated value updates,
specifying an addition of all values in a given list to an array. If this method is used on a weighted set data
type, the default weights will be 1.

@param field  the Field to add an array of values to
@param values a List containing the values to add
@return a FieldUpdate specifying the addition
@throws IllegalArgumentException      if the runtime type of values does not match the type required by field
@throws UnsupportedOperationException if the field type is not array or weighted set
@see com.yahoo.document.update.ValueUpdate#createAddAll(java.util.List)
@see ValueUpdate#createAdd(FieldValue)
document/src/main/java/com/yahoo/document/update/FieldUpdate.java