typedef TMulticastDelegate_TwoParams< void, [FMovieSceneControlRigSpaceChannel](API\Plugins\ControlRig\Sequencer\FMovieSceneControlRigSpaceChanne-) *, const [TArray](API\Runtime\Core\Containers\TArray)< [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) > & > FMovieSceneControlRigSpaceChannelSpaceNoLongerUsedEvent