getValidConnectivityState function
Implementation
ConnectivityState getValidConnectivityState(ConnectivityState candidateState) =>
    _kValidStatuses.contains(candidateState.status)
        ? candidateState
        : _kStates.disconnected;ConnectivityState getValidConnectivityState(ConnectivityState candidateState) =>
    _kValidStatuses.contains(candidateState.status)
        ? candidateState
        : _kStates.disconnected;