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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_in7kunsrt8vntlu86lnks6bfkh, 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 />
sinterface IMeta {
  // see class "Meta" for the bla bla
  
  public void _setMeta(O meta);
  public O _getMeta();
  default public IAutoCloseableF0 _tempMetaMutex() {
    ret new IAutoCloseableF0 {
      public O get() { ret IMeta.this; }
      public void close {}
    };
  }
  
  default public O metaGet aka getMeta(O key) {
    if (key == null) null;
    O meta = _getMeta();
    if (meta cast Map) ret meta.get(key);
    null;
  }
  
  default public void metaPut(O key, O value) {
    if (key == null) ret;
    Map map = convertObjectMetaToMap(this);
    syncMapPutOrRemove(map, key, value);
  }
}