val int_of_base : string -> int -> int
val int_of_base36 : string -> int
val int_of_base36_opt : string -> int option
val base_of_int : int -> int -> string
val base36_of_int : int -> string
val base_list_of_int : base:int -> size:int -> int -> int list
val int_of_base_list : base:int -> int list -> int

val int_of_base : string -> int -> int
val int_of_base36 : string -> int
val int_of_base36_opt : string -> int option
val base_of_int : int -> int -> string
val base36_of_int : int -> string
val base_list_of_int : base:int -> size:int -> int -> int list
val int_of_base_list : base:int -> int list -> int
