format 224

classinstance 128123 class_ref 128877 // Wplata_Gotowki
  name ""   xyz 92 4 2000 life_line_z 2000
classinstance 128251 class_ref 136173 // Uzytkownik
  name ""   xyz 300 4 2000 life_line_z 2000
durationcanvas 128379 classinstance_ref 128123 // :Wplata_Gotowki
  xyzwh 133 90 2010 11 80
  overlappingdurationcanvas 128763
    xyzwh 139 109 2020 11 56
  end
end
durationcanvas 128507 classinstance_ref 128251 // :Uzytkownik
  xyzwh 329 90 2010 11 75
end
msg 128635 synchronous
  from durationcanvas_ref 128379
  to durationcanvas_ref 128507
  yz 90 2015 explicitmsg "czyChceszPotierdnie()"
  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
  label_xy 183 77
msg 128891 synchronous
  from durationcanvas_ref 128507
  to durationcanvas_ref 128763
  yz 154 2025 explicitmsg "return boolean"
  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
  label_xy 204 141
end