refresh method

void refresh([ Set<Type>? providers ])

Implementation

void refresh([Set<Type>? providers]) {
  assert(() {
    if (_isRefreshInProgress) {
      throw FlutterError.fromParts([
        ErrorSummary('Cannot refresh while refresh is in progress'),
        ErrorDescription("refresh can only be called outside of a refresh cycle"),
        ErrorHint('Use addPostBuildCallback to schedule a refresh immediately after the current one'),
        DiagnosticableTreeNode(name: 'container', value: this, style: null),
      ]);
    }
    return true;
  }());
  final shouldSchedule = _dirty.isEmpty;
  _dirty.addAll(providers ?? _providers.keys);
  if (shouldSchedule) schedule(_doRefresh);
}