import { B as BaseProfile } from '../base-BkianuQ_.js';
import '../error-taxonomy-CWrJx3aZ.js';

/**
 * BLE Battery Service profile (UUID 0x180F).
 *
 * Reads and subscribes to the Battery Level characteristic (0x2A19),
 * which reports the current charge level as a percentage (0--100).
 *
 * @example
 * ```ts
 * import { BatteryProfile } from '@beacio/core/profiles';
 *
 * const battery = new BatteryProfile(device);
 * await battery.connect();
 *
 * // One-shot read
 * const level = await battery.readLevel();
 * console.log(`Battery: ${level}%`);
 *
 * // Subscribe to level changes
 * const unsubscribe = battery.onLevelChange((level) => {
 *   console.log(`Battery changed: ${level}%`);
 * });
 *
 * // Clean up
 * unsubscribe();
 * battery.stop();
 * ```
 */
declare class BatteryProfile extends BaseProfile {
    protected readonly service = "battery_service";
    /** Read current battery level (0-100). */
    readLevel(): Promise<number>;
    /** Subscribe to battery level changes. Returns unsubscribe function. */
    onLevelChange(callback: (level: number) => void): () => void;
}

export { BatteryProfile };