[C#]
    byte[] KeyID;

[VB.NET]
    Property KeyID As Byte()

[Pascal]
    property KeyID : ByteArray;

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

[PHP]
    string get_KeyID()
    void set_KeyID(array of byte|string|NULL $Value)

[Java]
    byte[] getKeyID();
    void setKeyID(byte[] Value);