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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_bs69ajd4bgnbt7aimhfj2gtib5, 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 <A> A safeUnstructureAllowingClasses(S s, Class... allowedClasses) {
  final Set<S> allowedClassesSet = mapToSet className(allowedClasses);
  O classFinder = func(S name) {
    if (!allowedClassesSet.contains(name)) fail("Class not allowed to unstructure: " + name);
    ret classForName(name);
  };
  ret (A) unstructure(s, false, classFinder);
}