format 224

classinstance 128130 class_ref 128538 // Client
  drawing_mode actor  name ""   xyz 17 22 2000 life_line_z 2000
classinstance 128258 class_ref 128770 // TransactionController
  name ""   xyz 102 33 2000 life_line_z 2000
classinstance 128770 class_ref 135298 // Terminal
  name ""   xyz 298 35 2000 life_line_z 2000
classinstance 129282 class_ref 135554 // AuthorizationSystem
  name ""   xyz 399 36 2000 life_line_z 2000
durationcanvas 128386 classinstance_ref 128130 // :Client
  xyzwh 28 130 2010 11 40
end
durationcanvas 128514 classinstance_ref 128258 // :TransactionController
  xyzwh 155 134 2010 11 373
end
durationcanvas 128898 classinstance_ref 128770 // :Terminal
  xyzwh 319 138 2010 11 56
end
durationcanvas 129410 classinstance_ref 129282 // :AuthorizationSystem
  xyzwh 451 235 2010 11 88
end
msg 128642 synchronous
  from durationcanvas_ref 128386
  to durationcanvas_ref 128514
  yz 134 2015 explicitmsg "enterPIN()"
  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
  label_xy 78 119
msg 129026 synchronous
  from durationcanvas_ref 128514
  to durationcanvas_ref 128898
  yz 142 2020 explicitmsg "getPIN(PIN:string)"
  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
  label_xy 222 127
msg 129154 return
  from durationcanvas_ref 128898
  to durationcanvas_ref 128514
  yz 174 2015 explicitmsg "PIN"
  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
  label_xy 235 160
msg 129538 synchronous
  from durationcanvas_ref 128514
  to durationcanvas_ref 129410
  yz 238 2015 explicitmsg "authorize(card:Card, PIN:string):Boolean"
  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
  label_xy 177 224
end