Base.metadata
Implemented (at least in `zigbee.mqtt`, for now): - `TemperatureSensor` - `HumiditySensor` - `VoltageSensor` - `CurrentSensor` - `EnergySensor` - `PowerSensor` - `NumericSensor` (generic fallback 1) - `RawSensor` (generic fallback 2) - `Sensor` (root class)