`module Key : sig ... end`
`module Tree : sig ... end`
`type 'a t``= (Key.t, 'a, Key.comparator_witness) Core_kernel__.Map_intf.Map.t```
`val compare : ('a ‑> 'a ‑> Core_kernel__.Import.int) ‑> 'a t ‑> 'a t ‑> Core_kernel__.Import.int`
`val empty : 'a t`
`val singleton : Key.t ‑> 'a ‑> 'a t`
`val of_alist : (Key.t * 'a) list ‑> [ `Duplicate_key of Key.t | `Ok of 'a t ]`
`val of_alist_or_error : (Key.t * 'a) list ‑> 'a t Base__.Or_error.t`
`val of_alist_exn : (Key.t * 'a) list ‑> 'a t`
`val of_alist_multi : (Key.t * 'a) list ‑> 'a list t`
`val of_alist_fold : (Key.t * 'a) list ‑> init:'b ‑> f:('b ‑> 'a ‑> 'b) ‑> 'b t`
`val of_alist_reduce : (Key.t * 'a) list ‑> f:('a ‑> 'a ‑> 'a) ‑> 'a t`
`val of_sorted_array : (Key.t * 'a) array ‑> 'a t Base__.Or_error.t`
`val of_sorted_array_unchecked : (Key.t * 'a) array ‑> 'a t`
`val of_increasing_iterator_unchecked : len:int ‑> f:(int ‑> Key.t * 'a) ‑> 'a t`
`val of_increasing_sequence : (Key.t * 'a) Base__.Sequence.t ‑> 'a t Base__.Or_error.t`
`val of_iteri : iteri:(f:(key:Key.t ‑> data:'v ‑> unit) ‑> unit) ‑> [ `Duplicate_key of Key.t | `Ok of 'v t ]`
`val of_tree : 'a Tree.t ‑> 'a t`
`val of_hashtbl_exn : (Key.t, 'a) Core_kernel__.Hashtbl.t ‑> 'a t`
`val gen : Key.t Core_kernel__.Quickcheck.Generator.t ‑> 'a Core_kernel__.Quickcheck.Generator.t ‑> 'a t Core_kernel__.Quickcheck.Generator.t`
`val invariants : 'a t ‑> bool`
`val is_empty : 'a t ‑> bool`
`val length : 'a t ‑> int`
`val add : 'a t ‑> key:Key.t ‑> data:'a ‑> 'a t Base__.Map_intf.Or_duplicate.t`
`val add_exn : 'a t ‑> key:Key.t ‑> data:'a ‑> 'a t`
`val set : 'a t ‑> key:Key.t ‑> data:'a ‑> 'a t`
`val add_multi : 'a list t ‑> key:Key.t ‑> data:'a ‑> 'a list t`
`val remove_multi : 'a list t ‑> Key.t ‑> 'a list t`
`val find_multi : 'a list t ‑> Key.t ‑> 'a list`
`val change : 'a t ‑> Key.t ‑> f:('a option ‑> 'a option) ‑> 'a t`
`val update : 'a t ‑> Key.t ‑> f:('a option ‑> 'a) ‑> 'a t`
`val find : 'a t ‑> Key.t ‑> 'a option`
`val find_exn : 'a t ‑> Key.t ‑> 'a`
`val remove : 'a t ‑> Key.t ‑> 'a t`
`val mem : 'a t ‑> Key.t ‑> bool`
`val iter_keys : 'a t ‑> f:(Key.t ‑> unit) ‑> unit`
`val iter : 'a t ‑> f:('a ‑> unit) ‑> unit`
`val iteri : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> unit) ‑> unit`
`val iter2 : 'a t ‑> 'b t ‑> f:(key:Key.t ‑> data:[ `Both of 'a * 'b | `Left of 'a | `Right of 'b ] ‑> unit) ‑> unit`
`val map : 'a t ‑> f:('a ‑> 'b) ‑> 'b t`
`val mapi : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> 'b) ‑> 'b t`
`val fold : 'a t ‑> init:'b ‑> f:(key:Key.t ‑> data:'a ‑> 'b ‑> 'b) ‑> 'b`
`val fold_right : 'a t ‑> init:'b ‑> f:(key:Key.t ‑> data:'a ‑> 'b ‑> 'b) ‑> 'b`
`val fold2 : 'a t ‑> 'b t ‑> init:'c ‑> f:(key:Key.t ‑> data:[ `Both of 'a * 'b | `Left of 'a | `Right of 'b ] ‑> 'c ‑> 'c) ‑> 'c`
`val filter_keys : 'a t ‑> f:(Key.t ‑> bool) ‑> 'a t`
`val filter : 'a t ‑> f:('a ‑> bool) ‑> 'a t`
`val filteri : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> bool) ‑> 'a t`
`val filter_map : 'a t ‑> f:('a ‑> 'b option) ‑> 'b t`
`val filter_mapi : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> 'b option) ‑> 'b t`
`val partition_mapi : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> [ `Fst of 'b | `Snd of 'c ]) ‑> 'b t * 'c t`
`val partition_map : 'a t ‑> f:('a ‑> [ `Fst of 'b | `Snd of 'c ]) ‑> 'b t * 'c t`
`val partitioni_tf : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> bool) ‑> 'a t * 'a t`
`val partition_tf : 'a t ‑> f:('a ‑> bool) ‑> 'a t * 'a t`
`val compare_direct : ('a ‑> 'a ‑> int) ‑> 'a t ‑> 'a t ‑> int`
`val equal : ('a ‑> 'a ‑> bool) ‑> 'a t ‑> 'a t ‑> bool`
`val keys : 'a t ‑> Key.t list`
`val data : 'a t ‑> 'a list`
`val to_alist : ?⁠key_order:[ `Decreasing | `Increasing ] ‑> 'a t ‑> (Key.t * 'a) list`
`val validate : name:(Key.t ‑> string) ‑> 'a Base__.Validate.check ‑> 'a t Base__.Validate.check`
`val merge : 'a t ‑> 'b t ‑> f:(key:Key.t ‑> [ `Both of 'a * 'b | `Left of 'a | `Right of 'b ] ‑> 'c option) ‑> 'c t`
`val symmetric_diff : 'a t ‑> 'a t ‑> data_equal:('a ‑> 'a ‑> bool) ‑> (Key.t, 'a) Base__.Map_intf.Symmetric_diff_element.t Base__.Sequence.t`
`val min_elt : 'a t ‑> (Key.t * 'a) option`
`val min_elt_exn : 'a t ‑> Key.t * 'a`
`val max_elt : 'a t ‑> (Key.t * 'a) option`
`val max_elt_exn : 'a t ‑> Key.t * 'a`
`val for_all : 'a t ‑> f:('a ‑> bool) ‑> bool`
`val for_alli : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> bool) ‑> bool`
`val exists : 'a t ‑> f:('a ‑> bool) ‑> bool`
`val existsi : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> bool) ‑> bool`
`val count : 'a t ‑> f:('a ‑> bool) ‑> int`
`val counti : 'a t ‑> f:(key:Key.t ‑> data:'a ‑> bool) ‑> int`
`val split : 'a t ‑> Key.t ‑> 'a t * (Key.t * 'a) option * 'a t`
`val append : lower_part:'a t ‑> upper_part:'a t ‑> [ `Ok of 'a t | `Overlapping_key_ranges ]`
`val subrange : 'a t ‑> lower_bound:Key.t Base__.Maybe_bound.t ‑> upper_bound:Key.t Base__.Maybe_bound.t ‑> 'a t`
`val fold_range_inclusive : 'a t ‑> min:Key.t ‑> max:Key.t ‑> init:'b ‑> f:(key:Key.t ‑> data:'a ‑> 'b ‑> 'b) ‑> 'b`
`val range_to_alist : 'a t ‑> min:Key.t ‑> max:Key.t ‑> (Key.t * 'a) list`
`val closest_key : 'a t ‑> [ `Greater_or_equal_to | `Greater_than | `Less_or_equal_to | `Less_than ] ‑> Key.t ‑> (Key.t * 'a) option`
`val nth : 'a t ‑> int ‑> (Key.t * 'a) option`
`val nth_exn : 'a t ‑> int ‑> Key.t * 'a`
`val rank : 'a t ‑> Key.t ‑> int option`
`val to_tree : 'a t ‑> 'a Tree.t`
`val to_sequence : ?⁠order:[ `Decreasing_key | `Increasing_key ] ‑> ?⁠keys_greater_or_equal_to:Key.t ‑> ?⁠keys_less_or_equal_to:Key.t ‑> 'a t ‑> (Key.t * 'a) Base__.Sequence.t`
`val obs : Key.t Core_kernel__.Quickcheck.Observer.t ‑> 'v Core_kernel__.Quickcheck.Observer.t ‑> 'v t Core_kernel__.Quickcheck.Observer.t`
`val shrinker : Key.t Core_kernel__.Quickcheck.Shrinker.t ‑> 'v Core_kernel__.Quickcheck.Shrinker.t ‑> 'v t Core_kernel__.Quickcheck.Shrinker.t`
`module Provide_of_sexp : functor (Key : sig ... end) -> sig ... end`
`module Provide_bin_io : functor (Key : sig ... end) -> sig ... end`
`module Provide_hash : functor (Key : sig ... end) -> sig ... end`
`val t_of_sexp : (Base__.Ppx_sexp_conv_lib.Sexp.t ‑> 'a) ‑> Base__.Ppx_sexp_conv_lib.Sexp.t ‑> 'a t`
`val sexp_of_t : ('a ‑> Base__.Ppx_sexp_conv_lib.Sexp.t) ‑> 'a t ‑> Base__.Ppx_sexp_conv_lib.Sexp.t`