text: """Constants used be the HomeKit component."""
  # #### Misc ####
  DEBOUNCE_TIMEOUT = 0.5
  DOMAIN = 'homekit'
  HOMEKIT_FILE = '.homekit.state'
  HOMEKIT_NOTIFY_ID = 4663548
  
  # #### Attributes ####
  ATTR_DISPLAY_NAME = 'display_name'
  ATTR_VALUE = 'value'
  
  # #### Config ####
  CONF_AUTO_START = 'auto_start'
  CONF_ENTITY_CONFIG = 'entity_config'
  CONF_FEATURE = 'feature'
  CONF_FEATURE_LIST = 'feature_list'
  CONF_FILTER = 'filter'
  CONF_LINKED_BATTERY_SENSOR = 'linked_battery_sensor'
  CONF_LOW_BATTERY_THRESHOLD = 'low_battery_threshold'
  CONF_SAFE_MODE = 'safe_mode'
  
  # #### Config Defaults ####
  DEFAULT_AUTO_START = True
  DEFAULT_LOW_BATTERY_THRESHOLD = 20
  DEFAULT_PORT = 51827
  DEFAULT_SAFE_MODE = False
  
  # #### Features ####
  FEATURE_ON_OFF = 'on_off'
  FEATURE_PLAY_PAUSE = 'play_pause'
  FEATURE_PLAY_STOP = 'play_stop'
  FEATURE_TOGGLE_MUTE = 'toggle_mute'
  
  # #### HomeKit Component Event ####
  EVENT_HOMEKIT_CHANGED = 'homekit_state_change'
  
  # #### HomeKit Component Services ####
  SERVICE_HOMEKIT_START = 'start'
  SERVICE_HOMEKIT_RESET_ACCESSORY = 'reset_accessory'
  
  # #### String Constants ####
  BRIDGE_MODEL = 'Bridge'
  BRIDGE_NAME = 'Home Assistant Bridge'
  BRIDGE_SERIAL_NUMBER = 'homekit.bridge'
  MANUFACTURER = 'Home Assistant'
  
  # #### Switch Types ####
  TYPE_FAUCET = 'faucet'
  TYPE_OUTLET = 'outlet'
  TYPE_SHOWER = 'shower'
  TYPE_SPRINKLER = 'sprinkler'
  TYPE_SWITCH = 'switch'
  TYPE_VALVE = 'valve'
  
  # #### Services ####
  SERV_ACCESSORY_INFO = 'AccessoryInformation'
  SERV_AIR_QUALITY_SENSOR = 'AirQualitySensor'
  SERV_BATTERY_SERVICE = 'BatteryService'
  SERV_CARBON_DIOXIDE_SENSOR = 'CarbonDioxideSensor'
  SERV_CARBON_MONOXIDE_SENSOR = 'CarbonMonoxideSensor'
  SERV_CONTACT_SENSOR = 'ContactSensor'
  SERV_FANV2 = 'Fanv2'
  SERV_GARAGE_DOOR_OPENER = 'GarageDoorOpener'
  SERV_HUMIDITY_SENSOR = 'HumiditySensor'
  SERV_INPUT_SOURCE = 'InputSource'
  SERV_LEAK_SENSOR = 'LeakSensor'
  SERV_LIGHT_SENSOR = 'LightSensor'
  SERV_LIGHTBULB = 'Lightbulb'
  SERV_LOCK = 'LockMechanism'
  SERV_MOTION_SENSOR = 'MotionSensor'
  SERV_OCCUPANCY_SENSOR = 'OccupancySensor'
  SERV_OUTLET = 'Outlet'
  SERV_SECURITY_SYSTEM = 'SecuritySystem'
  SERV_SMOKE_SENSOR = 'SmokeSensor'
  SERV_SWITCH = 'Switch'
  SERV_TELEVISION = 'Television'
  SERV_TELEVISION_SPEAKER = 'TelevisionSpeaker'
  SERV_TEMPERATURE_SENSOR = 'TemperatureSensor'
  SERV_THERMOSTAT = 'Thermostat'
  SERV_VALVE = 'Valve'
  SERV_WINDOW_COVERING = 'WindowCovering'
  
  # #### Characteristics ####
  CHAR_ACTIVE = 'Active'
  CHAR_ACTIVE_IDENTIFIER = 'ActiveIdentifier'
  CHAR_AIR_PARTICULATE_DENSITY = 'AirParticulateDensity'
  CHAR_AIR_QUALITY = 'AirQuality'
  CHAR_BATTERY_LEVEL = 'BatteryLevel'
  CHAR_BRIGHTNESS = 'Brightness'
  CHAR_CARBON_DIOXIDE_DETECTED = 'CarbonDioxideDetected'
  CHAR_CARBON_DIOXIDE_LEVEL = 'CarbonDioxideLevel'
  CHAR_CARBON_DIOXIDE_PEAK_LEVEL = 'CarbonDioxidePeakLevel'
  CHAR_CARBON_MONOXIDE_DETECTED = 'CarbonMonoxideDetected'
  CHAR_CARBON_MONOXIDE_LEVEL = 'CarbonMonoxideLevel'
  CHAR_CARBON_MONOXIDE_PEAK_LEVEL = 'CarbonMonoxidePeakLevel'
  CHAR_CHARGING_STATE = 'ChargingState'
  CHAR_COLOR_TEMPERATURE = 'ColorTemperature'
  CHAR_CONFIGURED_NAME = 'ConfiguredName'
  CHAR_CONTACT_SENSOR_STATE = 'ContactSensorState'
  CHAR_COOLING_THRESHOLD_TEMPERATURE = 'CoolingThresholdTemperature'
  CHAR_CURRENT_AMBIENT_LIGHT_LEVEL = 'CurrentAmbientLightLevel'
  CHAR_CURRENT_DOOR_STATE = 'CurrentDoorState'
  CHAR_CURRENT_HEATING_COOLING = 'CurrentHeatingCoolingState'
  CHAR_CURRENT_POSITION = 'CurrentPosition'
  CHAR_CURRENT_HUMIDITY = 'CurrentRelativeHumidity'
  CHAR_CURRENT_SECURITY_STATE = 'SecuritySystemCurrentState'
  CHAR_CURRENT_TEMPERATURE = 'CurrentTemperature'
  CHAR_CURRENT_VISIBILITY_STATE = 'CurrentVisibilityState'
  CHAR_FIRMWARE_REVISION = 'FirmwareRevision'
  CHAR_HEATING_THRESHOLD_TEMPERATURE = 'HeatingThresholdTemperature'
  CHAR_HUE = 'Hue'
  CHAR_IDENTIFIER = 'Identifier'
  CHAR_IN_USE = 'InUse'
  CHAR_INPUT_SOURCE_TYPE = 'InputSourceType'
  CHAR_IS_CONFIGURED = 'IsConfigured'
  CHAR_LEAK_DETECTED = 'LeakDetected'
  CHAR_LOCK_CURRENT_STATE = 'LockCurrentState'
  CHAR_LOCK_TARGET_STATE = 'LockTargetState'
  CHAR_LINK_QUALITY = 'LinkQuality'
  CHAR_MANUFACTURER = 'Manufacturer'
  CHAR_MODEL = 'Model'
  CHAR_MOTION_DETECTED = 'MotionDetected'
  CHAR_MUTE = 'Mute'
  CHAR_NAME = 'Name'
  CHAR_OCCUPANCY_DETECTED = 'OccupancyDetected'
  CHAR_ON = 'On'
  CHAR_OUTLET_IN_USE = 'OutletInUse'
  CHAR_POSITION_STATE = 'PositionState'
  CHAR_REMOTE_KEY = 'RemoteKey'
  CHAR_ROTATION_DIRECTION = 'RotationDirection'
  CHAR_ROTATION_SPEED = 'RotationSpeed'
  CHAR_SATURATION = 'Saturation'
  CHAR_SERIAL_NUMBER = 'SerialNumber'
  CHAR_SLEEP_DISCOVER_MODE = 'SleepDiscoveryMode'
  CHAR_SMOKE_DETECTED = 'SmokeDetected'
  CHAR_STATUS_LOW_BATTERY = 'StatusLowBattery'
  CHAR_SWING_MODE = 'SwingMode'
  CHAR_TARGET_DOOR_STATE = 'TargetDoorState'
  CHAR_TARGET_HEATING_COOLING = 'TargetHeatingCoolingState'
  CHAR_TARGET_POSITION = 'TargetPosition'
  CHAR_TARGET_SECURITY_STATE = 'SecuritySystemTargetState'
  CHAR_TARGET_TEMPERATURE = 'TargetTemperature'
  CHAR_TEMP_DISPLAY_UNITS = 'TemperatureDisplayUnits'
  CHAR_VALVE_TYPE = 'ValveType'
  CHAR_VOLUME = 'Volume'
  CHAR_VOLUME_SELECTOR = 'VolumeSelector'
  CHAR_VOLUME_CONTROL_TYPE = 'VolumeControlType'
  
  
  # #### Properties ####
  PROP_MAX_VALUE = 'maxValue'
  PROP_MIN_VALUE = 'minValue'
  PROP_MIN_STEP = 'minStep'
  PROP_CELSIUS = {'minValue': -273, 'maxValue': 999}
  
  # #### Device Classes ####
  DEVICE_CLASS_CO = 'co'
  DEVICE_CLASS_CO2 = 'co2'
  DEVICE_CLASS_DOOR = 'door'
  DEVICE_CLASS_GARAGE_DOOR = 'garage_door'
  DEVICE_CLASS_GAS = 'gas'
  DEVICE_CLASS_MOISTURE = 'moisture'
  DEVICE_CLASS_MOTION = 'motion'
  DEVICE_CLASS_OCCUPANCY = 'occupancy'
  DEVICE_CLASS_OPENING = 'opening'
  DEVICE_CLASS_PM25 = 'pm25'
  DEVICE_CLASS_SMOKE = 'smoke'
  DEVICE_CLASS_WINDOW = 'window'
  
  # #### Thresholds ####
  THRESHOLD_CO = 25
  THRESHOLD_CO2 = 1000
  
  # #### Default values ####
  DEFAULT_MIN_TEMP_WATER_HEATER = 40  # °C
  DEFAULT_MAX_TEMP_WATER_HEATER = 60  # °C
  