class io.UsbDb

class UsbDb {
    // methods

    bool errorcode load(string_t fileName);

    io.UsbVendor* addVendor(
        uint_t id,
        string_t name
    );

    io.UsbVendor const* findVendor(uint_t vendorId) const;

    io.UsbProduct const* findProduct(
        uint_t vendorId,
        uint_t productId
    );
};