val add : 'a t -> key:key -> data:'a -> unitval remove : 'a t -> key -> unitval find : 'a t -> key -> 'aval find_opt : 'a t -> key -> 'a optionval find_all : 'a t -> key -> 'a listval replace : 'a t -> key:key -> data:'a -> unitval mem : 'a t -> key -> boolval iter : f:(key:key -> data:'a -> unit) -> 'a t -> unitval filter_map_inplace : f:(key:key -> data:'a -> 'a option) -> 'a t -> unitval fold : f:(key:key -> data:'a -> 'acc -> 'acc) -> 'a t -> init:'acc -> 'accval to_seq_values : 'a t -> 'a Seq.tval add_seq : 'a t -> (key * 'a) Seq.t -> unitval replace_seq : 'a t -> (key * 'a) Seq.t -> unit