Object Hierarchy

    GObject
    ├── BtIcControl
       ├── BtIcAbsRangeControl
       ╰── BtIcTriggerControl
    ├── BtIcDevice
       ├── BtIcASeqDevice
       ├── BtIcInputDevice
       ╰── BtIcMidiDevice
    ├── BtIcASeqDiscoverer
    ├── BtIcGudevDiscoverer
    ╰── BtIcRegistry
    GInterface
    ╰── BtIcLearn