typedef struct _VikMapsLayer VikMapsLayer;
+void maps_layer_init ();
void maps_layer_register_map_source ( VikMapSource *map );
void maps_layer_download_section_without_redraw ( VikMapsLayer *vml, VikViewport *vvp, VikCoord *ul, VikCoord *br, gdouble zoom);
gint vik_maps_layer_get_map_type(VikMapsLayer *vml);