export interface UseBatteryReturns {
    /**
     * Whether the battery is charging
     */
    charging: boolean;
    /**
     * The battery level as a floating point number between 0 and 1
     */
    level: number;
    /**
     * The time remaining to charge the battery fully
     */
    chargingTime: number;
    /**
     * The time remaining to discharge the battery fully
     */
    dischargingTime: number;
    /**
     * Whether the battery API is supported
     */
    isSupported: boolean;
    /**
     * Update the battery state
     */
    update(): void;
}
/**
 * A React Hook that get [Battery](https://developer.mozilla.org/zh-CN/docs/Web/API/Battery_Status_API) state with ease.
 *
 * @returns {UseBatteryReturns} `UseBatteryReturns`, see {@link UseBatteryReturns}
 * @see {@link https://developer.mozilla.org/zh-CN/docs/Web/API/Battery_Status_API | Battery Status API - MDN}
 */
export declare function useBattery(): UseBatteryReturns;