module Xml_sigs:sig..end
module type Wrapped =sig..end
module type T =Wrappedwith type 'a wrap = 'a
module type Iterable =sig..end
module type Info =sig..end
module type Output =sig..end
module type Typed_xml =sig..end
module type Iterable_typed_xml =sig..end
module type Printer =sig..end
module type Simple_printer =sig..end
module type Typed_printer =sig..end
module type Typed_simple_printer =sig..end