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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_4ibuepc54m3bd8uvnek9r4mn57, 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 ImageSurface showAudioFileWithEditableMarkers(final File audioFile) {
  L<Float> markers = safeUnstruct(getOneLineFileInfoField(audioFile, 'markers));
  final ImageSurfaceWithXMarkers is = ImageSurfaceWithXMarkers(audioFileToFrequencyImage(audioFile).getBufferedImage(), markers);
  is.onMarkersChanged = r { setOneLineFileInfoField(audioFile, markers := is.markers) };
  is.setZoom(2);
  showFrame(is);
  ret is;
}