// NOTE: create_label_layer and create_label_layer_from_line_stream do
// not own id_name_prefix
-LabelLayer create_label_layer(const char *id_name_prefix);
-LabelLayer *create_label_layer_from_memory(Memory *memory, const char *id_name_prefix);
+LabelLayer *create_label_layer(Memory *memory, const char *id_name_prefix);
void label_layer_load(LabelLayer *label_layer,
Memory *memory,
String *input);