void MergeClusters ( [FGeometryCollection](API\Runtime\Chaos\GeometryCollection\FGeometryCollection) & Collection, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const double > & Volumes, double MinVolume, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const int32 > & SmallTransformIndices, [UE::PlanarCut::ENeighborSelectionMethod](API\Plugins\PlanarCut\UE__PlanarCut__ENeighborSelectio-) NeighborSelectionMethod, bool bOnlyMergeInProximity, bool bOnlySameParent )