sig
type cg
val make_cg : Dex.dex -> Callgraph.cg
val callers : Dex.dex -> int -> Callgraph.cg -> Dex.link -> Dex.link list
val dependants : Dex.dex -> Callgraph.cg -> Dex.link -> Dex.link list
val cg2dot : Dex.dex -> Callgraph.cg -> unit
end