enum jnc.FunctionKind
enum FunctionKind { Undefined = 0, Normal, Getter, Setter, Binder, Constructor, Destructor, StaticConstructor, StaticDestructor, CallOperator, CastOperator, UnaryOperator, BinaryOperator, OperatorVararg, OperatorCdeclVararg, Internal, Thunk, SchedLauncher, AsyncSchedLauncher, AsyncSequencer, _Count, };