`functor (X : Builder.S) ->
sig
type graph = X.G.t
type edge_label = X.G.E.label
val merge_vertex : graph -> X.G.vertex list -> graph
val merge_edges_e :
?src:X.G.vertex -> ?dst:X.G.vertex -> graph -> X.G.edge list -> graph
val merge_edges_with_label :
?src:X.G.vertex ->
?dst:X.G.vertex -> ?label:edge_label -> graph -> edge_label -> graph
val merge_isolabelled_edges : graph -> graph
val merge_ends :
?strict:bool -> ?specified_vertex:X.G.vertex -> graph -> graph
val merge_starts :
?strict:bool -> ?specified_vertex:X.G.vertex -> graph -> graph
val merge_scc :
?loop_killer:bool ->
?specified_vertex:(X.G.vertex list -> X.G.vertex) -> graph -> graph
end`