Does Oracle deprecate DBI?

Summary:

DBI used in Fast Formula but not found in library

Content (required):

I have Fast Formulas written by a consulting group who is no longer here. Some of them refer to DBIs that I cannot find in my query:

select *

from fusion.ff_database_items_vl fdi

where fdi.module_id is not null

order by fdi.base_user_name

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):