open Preamble

open Hints_declaration

open Core_notation

open Pts

open Logic

open Types

open Deqsets

open Setoids

open Monad

open Option

open Extranat

open Vector

open Div_and_mod

open Jmeq

open Russell

open List

open Util

open FoldStuff

open Bool

open Relations

open Nat

open BitVector

open BitVectorTrie

open Proper

open PositiveMap

open ErrorMessages

open PreIdentifiers

open Errors

open Extralib

open Lists

open Positive

open Identifiers

open Exp

open Arithmetic

open Integers

open AST

type label = PreIdentifiers.identifier

val label_to_ident : label -> AST.ident

val label_eq : label -> label -> (__, __) Types.sum

type 'x graph = 'x Identifiers.identifier_map

val graph_fold :
  (Positive.pos -> 'a1 -> 'a2 -> 'a2) -> 'a1 graph -> 'a2 -> 'a2

val graph_num_nodes : 'a1 graph -> Nat.nat