Part VI. Object Hierarchy

    GObject
        GTypeModule
            TumblerProviderPlugin
        TumblerProviderFactory
        TumblerFileInfo
        TumblerThumbnailFlavor
        TumblerAbstractThumbnailer
    GInterface
        TumblerThumbnailer
        TumblerThumbnailerProvider
        TumblerThumbnail
        TumblerCache