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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns the argument unchanged. Just for compatibility to IO.
full_name: StringIO#sync=
is_singleton: false
name: sync=
params: " strio.sync = boolean -> boolean "
visibility: public