static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * ExpandContractMeshSelection ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) Selection, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) & NewSelection, int32 Iterations, bool bContract, bool bOnlyExpandToFaceNeighbours )