[C#]
    bool EncodePrivateKey(byte[] P, int PIndex, int PSize, byte[] Q, int QIndex, int QSize, byte[] G, int GIndex, int GSize, byte[] Y, int YIndex, int YSize, byte[] X, int XIndex, int XSize, ref byte[] OutBuffer, int OutIndex, ref int OutSize);

[VB.NET]
    Function EncodePrivateKey(ByVal P As Byte(), ByVal PIndex As Integer, ByVal PSize As Integer, ByVal Q As Byte(), ByVal QIndex As Integer, ByVal QSize As Integer, ByVal G As Byte(), ByVal GIndex As Integer, ByVal GSize As Integer, ByVal Y As Byte(), ByVal YIndex As Integer, ByVal YSize As Integer, ByVal X As Byte(), ByVal XIndex As Integer, ByVal XSize As Integer, ByRef OutBuffer As Byte(), ByVal OutIndex As Integer, ByRef OutSize As Integer) As Boolean

[Pascal]
    function EncodePrivateKey(P : pointer; PSize : integer; Q : pointer; QSize : integer; G : pointer; GSize : integer; Y : pointer; YSize : integer; X : pointer; XSize : integer; OutBuffer : pointer; var OutSize : integer) : boolean;

[C++]
    bool EncodePrivateKey(void * P, int32_t PSize, void * Q, int32_t QSize, void * G, int32_t GSize, void * Y, int32_t YSize, void * X, int32_t XSize, void * OutBuffer, int32_t &OutSize);

[PHP]
    bool EncodePrivateKey(TSBPointer|array of byte|string|NULL $P, integer $PSize, TSBPointer|array of byte|string|NULL $Q, integer $QSize, TSBPointer|array of byte|string|NULL $G, integer $GSize, TSBPointer|array of byte|string|NULL $Y, integer $YSize, TSBPointer|array of byte|string|NULL $X, integer $XSize, TSBPointer|array of byte|string|NULL $OutBuffer, integer &$OutSize)

[Java]
    boolean encodePrivateKey(byte[] P, int PIndex, int PSize, byte[] Q, int QIndex, int QSize, byte[] G, int GIndex, int GSize, byte[] Y, int YIndex, int YSize, byte[] X, int XIndex, int XSize, byte[][] OutBuffer, int OutIndex, int[] OutSize);