Method poll

tests/fl/channels/detail/validation/platform.hpp:20–20

    void enqueue(ChannelDataPtr) override {}
    void show() override {}
    DriverState poll() override { return DriverState::READY; }
    fl::string getName() const override { return mName; }
    Capabilities getCapabilities() const override { return Capabilities(true, false); }
    bool canHandle(const ChannelDataPtr&) const override { return true; }