`sig
type t
module V :
sig
type t = CliqueTreeV.t
val compare : t -> t -> int
val hash : t -> int
val equal : t -> t -> bool
type label
val create : label -> t
val label : t -> label
end
type vertex = V.t
module E :
sig
type t
val compare : t -> t -> int
type vertex = vertex
val src : t -> vertex
val dst : t -> vertex
type label = CliqueTreeE.t
val create : vertex -> label -> vertex -> t
val label : t -> label
end
type edge = E.t
val is_directed : bool
val is_empty : t -> bool
val nb_vertex : t -> int
val nb_edges : t -> int
val out_degree : t -> vertex -> int
val in_degree : t -> vertex -> int
val mem_vertex : t -> vertex -> bool
val mem_edge : t -> vertex -> vertex -> bool
val mem_edge_e : t -> edge -> bool
val find_edge : t -> vertex -> vertex -> edge
val find_all_edges : t -> vertex -> vertex -> edge list
val succ : t -> vertex -> vertex list
val pred : t -> vertex -> vertex list
val succ_e : t -> vertex -> edge list
val pred_e : t -> vertex -> edge list
val iter_vertex : (vertex -> unit) -> t -> unit
val fold_vertex : (vertex -> 'a -> 'a) -> t -> 'a -> 'a
val iter_edges : (vertex -> vertex -> unit) -> t -> unit
val fold_edges : (vertex -> vertex -> 'a -> 'a) -> t -> 'a -> 'a
val iter_edges_e : (edge -> unit) -> t -> unit
val fold_edges_e : (edge -> 'a -> 'a) -> t -> 'a -> 'a
val map_vertex : (vertex -> vertex) -> t -> t
val iter_succ : (vertex -> unit) -> t -> vertex -> unit
val iter_pred : (vertex -> unit) -> t -> vertex -> unit
val fold_succ : (vertex -> 'a -> 'a) -> t -> vertex -> 'a -> 'a
val fold_pred : (vertex -> 'a -> 'a) -> t -> vertex -> 'a -> 'a
val iter_succ_e : (edge -> unit) -> t -> vertex -> unit
val fold_succ_e : (edge -> 'a -> 'a) -> t -> vertex -> 'a -> 'a
val iter_pred_e : (edge -> unit) -> t -> vertex -> unit
val fold_pred_e : (edge -> 'a -> 'a) -> t -> vertex -> 'a -> 'a
end`