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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_poqo4h24e9sgfbgnma9s07ktam, 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 />
/*
Typical way to implement (from WidthAndHeightImpl):
ifclass ByteHead
  public void readWrite(ByteHead head) {
    head.exchangeInt(l0 width, w -> width = w);
    head.exchangeInt(l0 height, h -> height = h);
  }
endif
*/

interface ByteIO {
  replace SomethingHead with ByteHead.
  
  !include early #1035662 // ByteIO/BitIO helpers
}