Delegate VaClosureMarshal
public delegate void VaClosureMarshal(nint closure, nint returnValue, nint instance, nint args, nint marshalData, int nParams, nuint[] paramTypes)
public delegate void VaClosureMarshal(nint closure, nint returnValue, nint instance, nint args, nint marshalData, int nParams, nuint[] paramTypes)