-/* Defined properties:
- *
- * media.name "Guns'N'Roses: Civil War"
- * media.title "Civil War"
- * media.artist "Guns'N'Roses"
- * media.language "de_DE"
- * media.filename
- * media.icon Binary blob containing PNG icon data
- * media.icon_name Name from XDG icon naming spec
- * media.role video, music, game, event, phone, production, filter, abstract, stream
- * event.id Name from XDG sound naming spec
- * event.description "Button blabla clicked" for a11y
- * event.mouse.x
- * event.mouse.y
- * event.mouse.hpos Float formatted as string in range 0..1
- * event.mouse.vpos Float formatted as string in range 0..1
- * event.mouse.button Button number following X11 ordering
- * window.name
- * window.id "org.gnome.rhytmbox.MainWindow"
- * window.icon Binary blob containing PNG icon data
- * window.icon_name Name from XDG icon naming spec
- * window.x11.display
- * window.x11.screen
- * window.x11.monitor
- * window.x11.xid
- * application.name "Rhythmbox Media Player"
- * application.id "org.gnome.rhythmbox"
- * application.version
- * application.icon Binary blob containing PNG icon data
- * application.icon_name Name from XDG icon naming spec
- * application.language
- * application.process.id
- * application.process.binary
- * application.process.user
- * application.process.host
- * application.process.machine_id D-Bus machine ID
- * device.string
- * device.api oss, alsa, sunaudio
- * device.description
- * device.bus_path
- * device.serial
- * device.vendor_product_id
- * device.class sound, modem, monitor, filter, abstract
- * device.form_factor laptop-speakers, external-speakers, telephone, tv-capture, webcam-capture, microphone-capture, headset, headphones, hands-free, car, hifi, computer, portable
- * device.connector isa, pci, usb, firewire, bluetooth
- * device.access_mode mmap, mmap_rewrite, serial
- * device.master_device
- * device.buffering.buffer_size
- * device.buffering.fragment_size
- * device.profile.name analog-stereo, analog-surround-40, iec958-stereo, ...
- * device.profile.description "Analog Stereo", ...
- */