digraph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="grey"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]

    "messages" [fillcolor="deepskyblue2"];
    "util" [fillcolor="deepskyblue2"];
    "lang" [fillcolor="deepskyblue2"];
    "collections" [fillcolor="deepskyblue2"];



    "collections" -> "lang" [label=" 25 ", penwidth="10", color="#00688bFF"];
    "collections" -> "util" [label=" 22 ", penwidth="8", color="#DC143CDB"];
    "util" -> "collections" [label=" 18 ", penwidth="7", color="#DC143CC9"];
    "util" -> "lang" [label=" 7 ", penwidth="2", color="#00688b70"];
    "messages" -> "util" [label=" 3 ", penwidth="1", color="#00688b5E"];
    "messages" -> "lang" [label=" 2 ", penwidth="1", color="#00688b4C"];
    "messages" -> "collections" [label=" 1 ", penwidth="1", color="#00688b4C"];

}