GObject
        GstRegistry
            GstXMLRegistry
        GstObject
            GstPad
                GstRealPad
                GstGhostPad
            GstElement
                GstBin
                    GstPipeline
                    GstThread
                GstQueue
            GstPadTemplate
            GstClock
            GstIndex
            GstScheduler
            GstXML
        GstPluginFeature
            GstElementFactory
            GstSchedulerFactory
            GstTypeFindFactory
            GstIndexFactory
        GstSignalObject
    GInterface
        GstURIHandler
        GstImplementsInterface
        GstTagSetter