Using_comparator.Treeval sexp_of_t : 
  ('k -> Sexplib0.Sexp.t) ->
  ('v -> Sexplib0.Sexp.t) ->
  ('cmp -> Sexplib0.Sexp.t) ->
  ('k, 'v, 'cmp) t ->
  Sexplib0.Sexp.tval t_of_sexp_direct : 
  comparator:('k, 'cmp) Comparator.t ->
  (Sexp.t -> 'k) ->
  (Sexp.t -> 'v) ->
  Sexp.t ->
  ('k, 'v, 'cmp) tval empty : comparator:('k, 'cmp) Comparator.t -> ('k, _, 'cmp) tval singleton : 
  comparator:('k, 'cmp) Comparator.t ->
  'k ->
  'v ->
  ('k, 'v, 'cmp) tval map_keys : 
  comparator:('k2, 'cmp2) Comparator.t ->
  ('k1, 'v, 'cmp1) t ->
  f:('k1 -> 'k2) ->
  [ `Ok of ('k2, 'v, 'cmp2) t | `Duplicate_key of 'k2 ]val map_keys_exn : 
  comparator:('k2, 'cmp2) Comparator.t ->
  ('k1, 'v, 'cmp1) t ->
  f:('k1 -> 'k2) ->
  ('k2, 'v, 'cmp2) tval transpose_keys : 
  comparator:('k1, 'cmp1) Comparator.t ->
  comparator:('k2, 'cmp2) Comparator.t ->
  ('k1, ('k2, 'a, 'cmp2) t, 'cmp1) t ->
  ('k2, ('k1, 'a, 'cmp1) t, 'cmp2) tval of_sorted_array : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) array ->
  ('k, 'v, 'cmp) t Or_error.tval of_sorted_array_unchecked : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) array ->
  ('k, 'v, 'cmp) tval of_increasing_iterator_unchecked : 
  comparator:('k, 'cmp) Comparator.t ->
  len:int ->
  f:(int -> 'k * 'v) ->
  ('k, 'v, 'cmp) tval of_alist : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) list ->
  [ `Ok of ('k, 'v, 'cmp) t | `Duplicate_key of 'k ]val of_alist_or_error : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) list ->
  ('k, 'v, 'cmp) t Or_error.tval of_alist_exn : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) list ->
  ('k, 'v, 'cmp) tval of_alist_multi : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) list ->
  ('k, 'v list, 'cmp) tval of_alist_fold : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v1) list ->
  init:'v2 ->
  f:('v2 -> 'v1 -> 'v2) ->
  ('k, 'v2, 'cmp) tval of_alist_reduce : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) list ->
  f:('v -> 'v -> 'v) ->
  ('k, 'v, 'cmp) tval of_increasing_sequence : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) Sequence.t ->
  ('k, 'v, 'cmp) t Or_error.tval of_sequence : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) Sequence.t ->
  [ `Ok of ('k, 'v, 'cmp) t | `Duplicate_key of 'k ]val of_sequence_or_error : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) Sequence.t ->
  ('k, 'v, 'cmp) t Or_error.tval of_sequence_exn : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) Sequence.t ->
  ('k, 'v, 'cmp) tval of_sequence_multi : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) Sequence.t ->
  ('k, 'v list, 'cmp) tval of_sequence_fold : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v1) Sequence.t ->
  init:'v2 ->
  f:('v2 -> 'v1 -> 'v2) ->
  ('k, 'v2, 'cmp) tval of_sequence_reduce : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k * 'v) Sequence.t ->
  f:('v -> 'v -> 'v) ->
  ('k, 'v, 'cmp) tval of_list_with_key : 
  comparator:('k, 'cmp) Comparator.t ->
  'v list ->
  get_key:('v -> 'k) ->
  [ `Ok of ('k, 'v, 'cmp) t | `Duplicate_key of 'k ]val of_list_with_key_or_error : 
  comparator:('k, 'cmp) Comparator.t ->
  'v list ->
  get_key:('v -> 'k) ->
  ('k, 'v, 'cmp) t Or_error.tval of_list_with_key_exn : 
  comparator:('k, 'cmp) Comparator.t ->
  'v list ->
  get_key:('v -> 'k) ->
  ('k, 'v, 'cmp) tval of_list_with_key_multi : 
  comparator:('k, 'cmp) Comparator.t ->
  'v list ->
  get_key:('v -> 'k) ->
  ('k, 'v list, 'cmp) tval of_iteri : 
  comparator:('k, 'cmp) Comparator.t ->
  iteri:(f:(key:'k -> data:'v -> unit) -> unit) ->
  [ `Ok of ('k, 'v, 'cmp) t | `Duplicate_key of 'k ]val of_iteri_exn : 
  comparator:('k, 'cmp) Comparator.t ->
  iteri:(f:(key:'k -> data:'v -> unit) -> unit) ->
  ('k, 'v, 'cmp) tval of_tree : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  ('k, 'v, 'cmp) tval invariants : comparator:('k, 'cmp) Comparator.t -> ('k, 'v, 'cmp) t -> boolval is_empty : (_, _, _) t -> boolval length : (_, _, _) t -> intval add : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  key:'k ->
  data:'v ->
  [ `Ok of ('k, 'v, 'cmp) t | `Duplicate ]val add_exn : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  key:'k ->
  data:'v ->
  ('k, 'v, 'cmp) tval set : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  key:'k ->
  data:'v ->
  ('k, 'v, 'cmp) tval add_multi : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v list, 'cmp) t ->
  key:'k ->
  data:'v ->
  ('k, 'v list, 'cmp) tval remove_multi : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v list, 'cmp) t ->
  'k ->
  ('k, 'v list, 'cmp) tval find_multi : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v list, 'cmp) t ->
  'k ->
  'v listval change : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  f:('v option -> 'v option) ->
  ('k, 'v, 'cmp) tval update : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  f:('v option -> 'v) ->
  ('k, 'v, 'cmp) tval find : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  'v optionval find_exn : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  'vval remove : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  ('k, 'v, 'cmp) tval mem : comparator:('k, 'cmp) Comparator.t -> ('k, _, 'cmp) t -> 'k -> boolval iter_keys : ('k, _, _) t -> f:('k -> unit) -> unitval iter : (_, 'v, _) t -> f:('v -> unit) -> unitval iteri : ('k, 'v, _) t -> f:(key:'k -> data:'v -> unit) -> unitval iteri_until : 
  ('k, 'v, _) t ->
  f:(key:'k -> data:'v -> Continue_or_stop.t) ->
  Finished_or_unfinished.tval iter2 : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v1, 'cmp) t ->
  ('k, 'v2, 'cmp) t ->
  f:
    (key:'k ->
      data:[ `Left of 'v1 | `Right of 'v2 | `Both of 'v1 * 'v2 ] ->
      unit) ->
  unitval fold : 
  ('k, 'v, _) t ->
  init:'acc ->
  f:(key:'k -> data:'v -> 'acc -> 'acc) ->
  'accval fold_until : 
  ('k, 'v, _) t ->
  init:'acc ->
  f:(key:'k -> data:'v -> 'acc -> ('acc, 'final) Container.Continue_or_stop.t) ->
  finish:('acc -> 'final) ->
  'finalval fold_right : 
  ('k, 'v, _) t ->
  init:'acc ->
  f:(key:'k -> data:'v -> 'acc -> 'acc) ->
  'accval fold2 : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v1, 'cmp) t ->
  ('k, 'v2, 'cmp) t ->
  init:'acc ->
  f:
    (key:'k ->
      data:[ `Left of 'v1 | `Right of 'v2 | `Both of 'v1 * 'v2 ] ->
      'acc ->
      'acc) ->
  'accval combine_errors : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v Or_error.t, 'cmp) t ->
  ('k, 'v, 'cmp) t Or_error.tval compare_direct : 
  comparator:('k, 'cmp) Comparator.t ->
  ('v -> 'v -> int) ->
  ('k, 'v, 'cmp) t ->
  ('k, 'v, 'cmp) t ->
  intval equal : 
  comparator:('k, 'cmp) Comparator.t ->
  ('v -> 'v -> bool) ->
  ('k, 'v, 'cmp) t ->
  ('k, 'v, 'cmp) t ->
  boolval keys : ('k, _, _) t -> 'k listval data : (_, 'v, _) t -> 'v listval to_alist : 
  ?key_order:[ `Increasing | `Decreasing ] ->
  ('k, 'v, _) t ->
  ('k * 'v) listval merge : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v1, 'cmp) t ->
  ('k, 'v2, 'cmp) t ->
  f:
    (key:'k ->
      [ `Left of 'v1 | `Right of 'v2 | `Both of 'v1 * 'v2 ] ->
      'v3 option) ->
  ('k, 'v3, 'cmp) tval merge_skewed : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  ('k, 'v, 'cmp) t ->
  combine:(key:'k -> 'v -> 'v -> 'v) ->
  ('k, 'v, 'cmp) tval symmetric_diff : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  ('k, 'v, 'cmp) t ->
  data_equal:('v -> 'v -> bool) ->
  ('k * [ `Left of 'v | `Right of 'v | `Unequal of 'v * 'v ]) Sequence.tval fold_symmetric_diff : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  ('k, 'v, 'cmp) t ->
  data_equal:('v -> 'v -> bool) ->
  init:'acc ->
  f:
    ('acc ->
      ('k * [ `Left of 'v | `Right of 'v | `Unequal of 'v * 'v ]) ->
      'acc) ->
  'accval min_elt : ('k, 'v, _) t -> ('k * 'v) optionval min_elt_exn : ('k, 'v, _) t -> 'k * 'vval max_elt : ('k, 'v, _) t -> ('k * 'v) optionval max_elt_exn : ('k, 'v, _) t -> 'k * 'vval for_all : ('k, 'v, _) t -> f:('v -> bool) -> boolval for_alli : ('k, 'v, _) t -> f:(key:'k -> data:'v -> bool) -> boolval exists : ('k, 'v, _) t -> f:('v -> bool) -> boolval existsi : ('k, 'v, _) t -> f:(key:'k -> data:'v -> bool) -> boolval count : ('k, 'v, _) t -> f:('v -> bool) -> intval counti : ('k, 'v, _) t -> f:(key:'k -> data:'v -> bool) -> intval split : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  ('k, 'v, 'cmp) t * ('k * 'v) option * ('k, 'v, 'cmp) tval split_le_gt : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  ('k, 'v, 'cmp) t * ('k, 'v, 'cmp) tval split_lt_ge : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  'k ->
  ('k, 'v, 'cmp) t * ('k, 'v, 'cmp) tval append : 
  comparator:('k, 'cmp) Comparator.t ->
  lower_part:('k, 'v, 'cmp) t ->
  upper_part:('k, 'v, 'cmp) t ->
  [ `Ok of ('k, 'v, 'cmp) t | `Overlapping_key_ranges ]val subrange : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  lower_bound:'k Maybe_bound.t ->
  upper_bound:'k Maybe_bound.t ->
  ('k, 'v, 'cmp) tval fold_range_inclusive : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  min:'k ->
  max:'k ->
  init:'acc ->
  f:(key:'k -> data:'v -> 'acc -> 'acc) ->
  'accval range_to_alist : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  min:'k ->
  max:'k ->
  ('k * 'v) listval closest_key : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  [ `Greater_or_equal_to | `Greater_than | `Less_or_equal_to | `Less_than ] ->
  'k ->
  ('k * 'v) optionval nth : ('k, 'v, 'cmp) t -> int -> ('k * 'v) optionval nth_exn : ('k, 'v, 'cmp) t -> int -> 'k * 'vval rank : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, _, 'cmp) t ->
  'k ->
  int optionval to_sequence : 
  comparator:('k, 'cmp) Comparator.t ->
  ?order:[ `Increasing_key | `Decreasing_key ] ->
  ?keys_greater_or_equal_to:'k ->
  ?keys_less_or_equal_to:'k ->
  ('k, 'v, 'cmp) t ->
  ('k * 'v) Sequence.tval binary_search : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  compare:(key:'k -> data:'v -> 'key -> int) ->
  Binary_searchable.Which_target_by_key.t ->
  'key ->
  ('k * 'v) optionval binary_search_segmented : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  segment_of:(key:'k -> data:'v -> [ `Left | `Right ]) ->
  Binary_searchable.Which_target_by_segment.t ->
  ('k * 'v) optionval binary_search_subrange : 
  comparator:('k, 'cmp) Comparator.t ->
  ('k, 'v, 'cmp) t ->
  compare:(key:'k -> data:'v -> 'bound -> int) ->
  lower_bound:'bound Maybe_bound.t ->
  upper_bound:'bound Maybe_bound.t ->
  ('k, 'v, 'cmp) tmodule Make_applicative_traversals
  (A : Applicative.Lazy_applicative) : 
  sig ... endval empty_without_value_restriction : (_, _, _) tmodule Build_increasing : sig ... endBuild_increasing can be used to construct a map incrementally from a sequence that is known to be increasing.