[C#]
    byte[] B;

[VB.NET]
    Property B As Byte()

[Pascal]
    property B : ByteArray;

[C++]
    void get_B(std::vector<uint8_t> &OutResult);
    void set_B(const std::vector<uint8_t> &Value);

[PHP]
    string get_B()
    void set_B(array of byte|string|NULL $Value)

[Java]
    byte[] getB();
    void setB(byte[] V);