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    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstAudioFilter
                        ╰── GstIirEqualizer
                            ├── GstIirEqualizer10Bands
                            ├── GstIirEqualizer3Bands
                            ╰── GstIirEqualizerNBands