FStrainedProxyIterator ( [FRigidClustering](API\Runtime\Chaos\Chaos\FRigidClustering) & InRigidClustering, [TArray](API\Runtime\Core\Containers\TArray)< [FGeometryCollectionPhysicsProxy](API\Runtime\Chaos\PhysicsProxy\FGeometryCollectionPhysicsProxy) * > & InProxies, int32 InIndex )