digraph TopLevel {
    compound = true
    bgcolor = lightcyan1
    fontname = Arial
    fontsize = 8
    label = "lib/core/world.rb"
    node [
        fontname = Arial,
        fontsize = 8,
        color = black
    ]

    World [
        fontcolor = black,
        URL = "classes/World.html",
        shape = ellipse,
        color = palegoldenrod,
        style = filled,
        label = "World"
    ]

    Root [
        URL = "classes/Root.html",
        label = "Root"
    ]

    Root -> World [

    ]

}