module Tree:sig
..end
type('k, 'v, 'comparator)
t =('k, 'v, 'comparator) Map.tree
include Creators_and_accessors
val sexp_of_t : ('k -> Sexplib.Sexp.t) ->
('v -> Sexplib.Sexp.t) ->
('comparator -> Sexplib.Sexp.t) ->
('k, 'v, 'comparator) t -> Sexplib.Sexp.t