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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

abstract sclass DynPrintLogWithInput extends DynPrintLog {
  InputChooser inputChooser = new(this);
  
  visualize { ret northAndCenter(wrap(inputChooser), super.visualize()); }
  
  abstract void update(S input);

  void update {
    if (inputChooser.update())
      update(inputChooser.input());
  }
}