/**
 * Air Quality Service Handler
 *
 * Implements the HomeKit AirQualitySensor service for Dyson devices.
 * Provides overall air quality level, PM2.5, PM10, and VOC readings.
 */
import type { API, Logging, PlatformAccessory, Service } from 'homebridge';
import type { DysonLinkDevice } from '../../devices/dysonLinkDevice.js';
/**
 * Configuration for AirQualityService
 */
export interface AirQualityServiceConfig {
    accessory: PlatformAccessory;
    device: DysonLinkDevice;
    api: API;
    log: Logging;
    /** Whether device supports NO2 sensor */
    hasNo2Sensor?: boolean;
    /**
     * Whether device has basic air quality sensor (Link series)
     * Basic sensors use pact/vact index (0-9 scale) instead of PM2.5 µg/m³
     */
    basicAirQualitySensor?: boolean;
    /** Primary service to link this service to */
    primaryService?: Service;
}
/**
 * AirQualityService handles the HomeKit AirQualitySensor service
 *
 * Maps Dyson air quality data to HomeKit characteristics:
 * - AirQuality (1-5 scale calculated from PM2.5)
 * - PM2_5Density (µg/m³)
 * - PM10Density (µg/m³)
 * - VOCDensity (index value, not actual µg/m³)
 * - NitrogenDioxideDensity (index value, for Formaldehyde models)
 */
export declare class AirQualityService {
    private readonly service;
    private readonly device;
    private readonly log;
    private readonly api;
    private readonly hasNo2Sensor;
    private readonly basicAirQualitySensor;
    private readonly boundHandleStateChange;
    constructor(config: AirQualityServiceConfig);
    /**
     * Get the underlying HomeKit service
     */
    getService(): Service;
    /**
     * Clean up event listeners
     */
    destroy(): void;
    /**
     * Calculate HomeKit AirQuality level from sensor data
     *
     * For advanced sensors: Uses PM2.5 value in µg/m³
     * For basic sensors (Link): Uses pact index (0-9 scale)
     *
     * @param pm25 - PM2.5 value in µg/m³ or pact index for basic sensors
     * @param vocIndex - VOC index value for basic sensors
     * @returns HomeKit AirQuality value (0-5)
     */
    private calculateAirQuality;
    /**
     * Calculate air quality from basic sensor pact index (0-9)
     * Based on reference implementation thresholds
     */
    private calculateBasicPactQuality;
    /**
     * Calculate air quality from basic sensor vact index
     * Based on reference implementation thresholds
     */
    private calculateBasicVactQuality;
    /**
     * Handle AirQuality GET request
     * Returns 0-5 (UNKNOWN to POOR)
     */
    private handleAirQualityGet;
    /**
     * Handle PM2.5 Density GET request
     * Returns µg/m³
     */
    private handlePM25Get;
    /**
     * Handle PM10 Density GET request
     * Returns µg/m³
     */
    private handlePM10Get;
    /**
     * Handle VOC Density GET request
     * Note: Dyson provides an index value, not actual µg/m³
     */
    private handleVOCGet;
    /**
     * Handle NO2 Density GET request
     * Note: Dyson provides an index value, not actual µg/m³
     */
    private handleNO2Get;
    /**
     * Handle device state changes
     * Updates HomeKit characteristics to reflect current device state
     */
    private handleStateChange;
    /**
     * Update characteristics from current device state
     * Call this after connecting to sync HomeKit with device
     */
    updateFromState(): void;
}
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