If you use this interface your class should also implement the getInstance() pattern which takes a tag object and the tagging mode used.
8: Basic encoding rules
8.13 Encoding of a choice value
The encoding of a choice value shall be the same as the encoding of a value of the chosen type.
NOTE 1 — The encoding may be primitive or constructed depending on the chosen type.
NOTE 2 — The tag used in the identifier octets is the tag of the chosen type, as specified in the ASN.1 definition of the choice type.
// marker interface