+
+ (** {2 Stylesheets management} *)
+
+ (** add a stylesheet, bound to a given key, to the UWOBO loaded
+ stylesheets
+ @param key key to which the stylesheets will be bound
+ @param uri uri of the stylesheet to be loaded
+ @raise Stylesheet_already_in if key is already bound *)
+ method add: string -> string -> log
+
+ (** remove the stylesheet bound to a given key *)
+ method remove: string -> log
+
+ (** remove all loaded stylesheet *)
+ method removeAll: log
+
+ (** reload the stylesheet bound to a given key *)
+ method reload: string -> log
+
+ (** reload all stylesheets *)
+ method reloadAll: log
+
+ (** {2 Stylesheets usage} *)
+
+ (** @return a list of strings, each string is a textual representation of
+ information related to a loaded stylesheet. This representation includes
+ at least stylesheet's key and URI *)