???<!-- GIF89;a -->
123123123123
.....................................................................................................................................???<!-- GIF89;a -->
123123123123
.....................................................................................................................................--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: registering function to ObjectSpace#add_finalizer
full_name: Finalizer::final_of
is_singleton: true
name: final_of
params: (id)
visibility: private