static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * ApplyMeshDuplicateFaces ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) Selection, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) & NewTriangles, [FGeometryScriptMeshEditPolygroupOptions](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptM-_3) GroupOptions, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )