Mark the parameter as unused if not supported
Mark the parameter as unused if not supported

Kitware/sprokit,linus-sherrill/sprokit,Kitware/sprokit,linus-sherrill/sprokit,linus-sherrill/sprokit,linus-sherrill/sprokit,Kitware/sprokit,mathstuf/sprokit,mathstuf/sprokit,mathstuf/sprokit,Kitware/sprokit,mathstuf/sprokit