diag property

Implementation

@override
late final Diag diag = createDiag(
  pingFn: (ip, timeout, type) =>
      _worker.diagPing(ip: ip, timeout: timeout, pingType: type.name),
  metricsFn: _worker.diagMetrics,
  derpMapFn: _worker.diagDERPMap,
  checkUpdateFn: _worker.diagCheckUpdate,
);