Hello, I am a doubt about the elaboration of a use case, and I wonder if I can apply Generalization / Specification in cases of uses or is it just in the actors?
Example 1 (No Generalization / Specification)
Inthiscaseofuse,theofficialActorcanholdtheAuditory,CoffeeandEventsreservation,andallofthemneedtocheckavailability,Registerandsendemail.Myquestionis,canIusethegeneralization/specificationsothatthesethreeusecases(ReserveAuditorium,ScheduleCoffeeandScheduleEvent)inherittheincludes(CheckAvailability,RegisterRequestandSendEmail)?Sodecreasethenumberofincludelines.
Example2(InheritingUseCase): 
Att,