static void SetBoundaryConstraintsWithProjection ( [FMeshConstraints](API\Plugins\DynamicMesh\FMeshConstraints) & Constraints, const [EBoundaryType](API\Plugins\DynamicMesh\FMeshConstraintsUtil\EBoundaryType) BoundaryToConstrain, const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, double CornerAngleThreshold )