import type { CharacteristicValue, PlatformAccessory } from 'homebridge';
import { VirtualAccessoriesPlatform } from '../platform.js';
import { AccessoryConfiguration } from '../configuration/configurationAccessory.js';
import { Accessory } from './accessory.js';
import { UpdatableChargingState } from './updatableChargingState.js';
/**
 * Battery - Accessory implementation
 */
export declare class Battery extends Accessory implements UpdatableChargingState {
    static readonly ACCESSORY_TYPE_NAME: string;
    static readonly BATTERY_LEVEL_NORMAL: number;
    static readonly BATTERY_LEVEL_LOW: number;
    static readonly NOT_CHARGING: number;
    static readonly CHARGING: number;
    static readonly NOT_CHARGEABLE: number;
    private readonly batteryLevelStorageKey;
    private readonly chargingStateStorageKey;
    private lowLevelThreshold;
    private states;
    constructor(platform: VirtualAccessoriesPlatform, accessory: PlatformAccessory, accessoryConfiguration: AccessoryConfiguration);
    getStatusLowBattery(): Promise<CharacteristicValue>;
    getBatteryLevel(): Promise<CharacteristicValue>;
    getChargingState(): Promise<CharacteristicValue>;
    protected getJsonState(): string;
    protected getAccessoryTypeName(): string;
    static getStatusLowBatteryName(level: number): string;
    static getChargingStateName(state: number): string;
    updateChargingState(charging: boolean, charge: number, accessoryId: string): void;
}