+ (** raw HTTP downloader, return Some the contents of downloaded resource or
+ None if an error occured while downloading. This function support also
+ "file://" scheme for filesystem resources *)
+val http_get: string -> string option
+ (** 'iter' like method that iter over string slices (unspecified length) of a
+ remote resources fetched via HTTP GET requests *)
+val http_get_iter_buf: callback:(string -> unit) -> string -> unit
+