import { PowerSource } from 'matterbridge/matter/clusters';
/**
 * Determine battery charge level based on percentage.
 * @param batteryLevel - Battery percentage (0-100)
 * @returns Battery charge level: Ok (>=70%), Warning (40-69%), or Critical (<40%)
 */
export declare function getBatteryStatus(batteryLevel?: number): PowerSource.BatChargeLevel;
/**
 * Determine battery charge state based on device status.
 */
export declare function getBatteryState(deviceState: number, batRemaining: number): PowerSource.BatChargeState;
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