WARN2-Interfaced class identifiers that are public/published, but not used outside of unit

Interfaced class identifiers that are public/published, but not used outside of unit (WARN2)

This section lists all identifiers that are members of a class, and are declared with the public/published directive, but not used outside of the unit.

Recommentation:

Declare these identifiers with the private/protected directive instead.

See also:

Alerts