The index in listTargetQubits that is the first control qubit.

C# | Visual Basic | Visual C++ |
protected const int FIRST_CONTROL_INDEX
Protected Const FIRST_CONTROL_INDEX As Integer
protected: literal int FIRST_CONTROL_INDEX
C# | Visual Basic | Visual C++ |
protected const int FIRST_CONTROL_INDEX
Protected Const FIRST_CONTROL_INDEX As Integer
protected: literal int FIRST_CONTROL_INDEX