void AppendMultiTextureBakeNode ( const [TMap](API\Runtime\Core\Containers\TMap)< int32, [UE::GeometryFlow::TSafeSharedPtr](API\Plugins\GeometryFlowCore\TSafeSharedPtr)< [UE::Geometry::TImageBuilder](API\Runtime\GeometryCore\Image\TImageBuilder)< FVector4f >>> & SourceMaterialImages )