import type { Characteristic, CharacteristicValue, PlatformAccessory, Service, WithUUID } from 'homebridge';
import { VirtualAccessoriesPlatform } from '../platform.js';
import { AccessoryConfiguration } from '../configuration/configurationAccessory.js';
import { Accessory } from '../accessories/accessory.js';
import { UpdatableMeasurementSensor } from './updatableSensor.js';
/**
 * Sensor - Abstract accessory
 */
export declare abstract class MeasurementSensor extends Accessory implements UpdatableMeasurementSensor {
    private readonly stateStorageKey;
    protected MeasurementCharacteristic: WithUUID<{
        new (): Characteristic;
    }>;
    protected SensorUnits: string;
    constructor(platform: VirtualAccessoriesPlatform, accessory: PlatformAccessory, accessoryConfiguration: AccessoryConfiguration, serviceType: WithUUID<typeof Service>, measurementCharacteristic: WithUUID<{
        new (): Characteristic;
    }>);
    getSensorValue(): number;
    getMeasurementHandler(): Promise<CharacteristicValue>;
    protected abstract getDefaultValue(): number;
    protected getJsonState(): string;
    abstract updateMeasurementSensor(value: number, accessoryId: string): void;
}