digraph TopLevel {
    compound = true
    bgcolor = lightcyan1
    fontname = Arial
    fontsize = 8
    label = "Kernel"
    node [
        fontname = Arial,
        fontsize = 8,
        color = black
    ]

    subgraph cluster_Kernel {
        fillcolor = palegreen1
        URL = "classes/Kernel.html"
        fontname = Arial
        color = blue
        label = "Kernel"
        style = filled

    }

}