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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_gndaqjg0i1pf5o48tes74mkmd2, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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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 />
static bool confirmOKCancel(final Component owner, final S msg) {
  ret isTrue(swingAndWait(func {
    JOptionPane.showConfirmDialog(owner,
      msg, "JavaX", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION
  }));
}

static bool confirmOKCancel(S msg) {
  ret confirmOKCancel(null, msg);
}