Oracle expdp/impdp & noneditionable types

Hi,

I'm updating an Oracle 12c database to 19c (19.19) using expdp/impdp. I did export the schemas using expdp and imported the dumpfile in a new, fresh 19c database. afterwards I did compare the number of objects in the old database and in the new one and saw a difference in the number of TYPES: old one 34 types, new one 2 types.

After some digging I saw that difference was caused by 32 noneditionable types. These types start with SYS_PLSQL_xxxxx (some random characters). The funny thing (for me at least) is that Toad doesn't show the missing types on the old database but sqldeveloper does show them. Toad just show 2 types on the old db.