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type 'a t [@@deriving yojson]
exception Empty_path
exception Duplicate_child
exception Nonexistent_path
exception Insert_error of string
type position = Before of string | After of string | Lexical | End | Default
val make : 'a -> string -> 'a t
val make_full : 'a -> string -> ('a t) list -> 'a t
val name_of_node : 'a t -> string
val data_of_node : 'a t -> 'a
val children_of_node : 'a t -> 'a t list
val find : 'a t -> string -> 'a t option
val adopt : 'a t -> 'a t -> 'a t
val replace : 'a t -> 'a t -> 'a t
[@@alert exn "Not_found"]
val insert : ?position:position -> ?children:('a t list) -> 'a t -> string list -> 'a -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Not_found possible if position Before/After"]
[@@alert exn "Vytree.Duplicate_child"]
[@@alert exn "Vytree.Insert_error"]
val insert_maybe : ?position:position -> 'a t -> string list -> 'a -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Not_found possible if position Before/After"]
[@@alert exn "Vytree.Insert_error"]
val insert_or_update : ?position:position -> 'a t -> string list -> 'a -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Not_found possible if position Before/After"]
[@@alert exn "Vytree.Insert_error"]
val insert_multi_level : ?position:position -> 'a -> 'a t -> string list -> string list -> 'a -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Not_found possible if position Before/After"]
[@@alert exn "Vytree.Duplicate_child possible if path_remaining not complement"]
[@@alert exn "Vytree.Insert_error possible if path_done existence not guaranteed"]
val merge_children : ('a -> 'a -> 'a) -> (string -> string -> int) -> 'a t -> 'a t
val delete : 'a t -> string list -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
val update : 'a t -> string list -> 'a -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
val rename : 'a t -> string list -> string -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Not_found"]
[@@alert exn "Vytree.Nonexistent_path"]
val list_children : 'a t -> string list
val get : 'a t -> string list -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
val get_existent_path : 'a t -> string list -> string list
val get_data : 'a t -> string list -> 'a
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
val exists : 'a t -> string list -> bool
[@@alert exn "Vytree.Empty_path"]
val children_of_path : 'a t -> string list -> string list
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
val sorted_children_of_node : (string -> string -> int) -> 'a t -> ('a t) list
val sort_children : (string -> string -> int) -> 'a t -> 'a t
val copy : 'a t -> string list -> string list -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
[@@alert exn "Vytree.Insert_error"]
val move : 'a t -> string list -> position -> 'a t
[@@alert exn "Vytree.Empty_path"]
[@@alert exn "Vytree.Nonexistent_path"]
[@@alert exn "Not_found possible if position Before/After"]
[@@alert exn "Vytree.Insert_error"]
val is_terminal_path : 'a t -> string list -> bool
[@@alert exn "Vytree.Empty_path"]
val fold_tree_with_path: (string list * 'acc -> 'b t -> string list * 'acc) -> string list * 'acc -> 'b t -> 'acc
val fold_tree_with_path_and_list: ((string list * bool list) * 'acc -> 'b t ->
(string list * bool list) * 'acc) -> (string list * bool list) * 'acc -> 'b t -> 'acc
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