How to use the timeline-state-resolver-types.DeviceType.ATEM function in timeline-state-resolver-types

migrate: () => {
			let device = PeripheralDevices.findOne({type: PeripheralDeviceAPI.DeviceType.PLAYOUT})
			if (device) {
				// Set some default values:
				let atem0 = device.settings && device.settings.devices['atem0']
				if (!atem0) {
					logger.info(`Migration: Add PeripheralDevice.settings to ${device._id}: atem0`)
					PeripheralDevices.update(device._id, {$set: {
						'settings.devices.atem0': {
							type: PlayoutDeviceType.ATEM,
							options: {
								host: '',
								port: 9910,
							}
						}
					}})
				}
			}
		},
		input: [{

validate: () => {
			let device = PeripheralDevices.findOne({type: PeripheralDeviceAPI.DeviceType.PLAYOUT})
			if (!device) return 'Playout-gateway not found'
			let settings = device.settings || {devices: {}} as PlayoutDeviceSettings

			let atem0 = settings.devices['atem0'] as PlayoutDeviceSettingsDeviceAtem
			if (!atem0) return '"atem0" missing'
			if (atem0.type !== PlayoutDeviceType.ATEM) return 'Type is not "ATEM"'
			if (!atem0.options.host) return 'Host is not set'

			return false
		},
		migrate: () => {

port: 5250,
						launcherHost: '160.67.87.50',
						launcherPort: 8005
					}
				},
				'settings.devices.casparcg1': ((pd['settings'] || {})['devices'] || {})['casparcg1'] || {
					type: PlayoutDeviceType.CASPARCG,
					options: {
						host: '',
						port: 5250,
						launcherHost: '',
						launcherPort: 8005
					}
				},
				'settings.devices.atem0': ((pd['settings'] || {})['devices'] || {})['atem0'] || {
					type: PlayoutDeviceType.ATEM,
					options: {
						host: '160.67.87.51',
						port: 9910
					}
				},
				'settings.devices.lawo0': ((pd['settings'] || {})['devices'] || {})['lawo0'] || {
					type: PlayoutDeviceType.LAWO,
					options: {
						host: '160.67.96.51',
						port: 9000,
						sourcesPath: 'Sapphire.Sources',
						rampMotorFunctionPath: '1.5.2'
					}
				},
				'settings.devices.abstract0': ((pd['settings'] || {})['devices'] || {})['abstract0'] || {
					type: PlayoutDeviceType.ABSTRACT,