val is_empty : 'a t -> bool
val mem : string -> 'a t -> bool
val add : string -> 'a -> 'a t -> 'a t
val update : string -> ('a option -> 'a option) -> 'a t -> 'a t
val singleton : string -> 'a -> 'a t
val remove : string -> 'a t -> 'a t
val merge :
(string -> 'a option -> 'b option -> 'c option) ->
'a t ->
'b t ->
'c t
val union : (string -> 'a -> 'a -> 'a option) -> 'a t -> 'a t -> 'a t
val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int
val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool
val iter : (string -> 'a -> unit) -> 'a t -> unit
val fold : (string -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b
val for_all : (string -> 'a -> bool) -> 'a t -> bool
val exists : (string -> 'a -> bool) -> 'a t -> bool
val filter : (string -> 'a -> bool) -> 'a t -> 'a t
val filter_map : (string -> 'a -> 'b option) -> 'a t -> 'b t
val partition : (string -> 'a -> bool) -> 'a t -> 'a t * 'a t
val cardinal : 'a t -> int
val bindings : 'a t -> (string * 'a) list
val min_binding : 'a t -> string * 'a
val min_binding_opt : 'a t -> (string * 'a) option
val max_binding : 'a t -> string * 'a
val max_binding_opt : 'a t -> (string * 'a) option
val choose : 'a t -> string * 'a
val choose_opt : 'a t -> (string * 'a) option
val split : string -> 'a t -> 'a t * 'a option * 'a t
val find : string -> 'a t -> 'a
val find_opt : string -> 'a t -> 'a option
val find_first : (string -> bool) -> 'a t -> string * 'a
val find_first_opt : (string -> bool) -> 'a t -> (string * 'a) option
val find_last : (string -> bool) -> 'a t -> string * 'a
val find_last_opt : (string -> bool) -> 'a t -> (string * 'a) option
val map : ('a -> 'b) -> 'a t -> 'b t
val mapi : (string -> 'a -> 'b) -> 'a t -> 'b t
val to_seq : 'a t -> (string * 'a) Seq.t
val to_rev_seq : 'a t -> (string * 'a) Seq.t
val to_seq_from : string -> 'a t -> (string * 'a) Seq.t
val add_seq : (string * 'a) Seq.t -> 'a t -> 'a t
val of_seq : (string * 'a) Seq.t -> 'a t
val of_list : (string * 'a) list -> 'a t
val add_to_list : string -> 'a -> 'a list t -> 'a list t
val add_to_set :
(module Stdlib_set.S with type elt = 'a and type t = 'set) ->
string ->
'a ->
'set t ->
'set t
val pp_dump_string_map : string t Fmt.t