import type { Device } from '../config/types';
/**
 * DeviceManager handles device detection, selection, and lifecycle.
 * Supports iOS Simulators, Android Emulators, and physical devices.
 */
export declare class DeviceManager {
    /**
     * Detect available devices for a platform.
     * For iOS: lists simulators via xcrun simctl
     * For Android: lists emulators/devices via adb
     */
    detectDevices(platform: 'ios' | 'android' | 'rn'): Promise<Device[]>;
    /**
     * Detect iOS simulators.
     * Parses output from: xcrun simctl list --json devices available
     */
    private detectiOSSimulators;
    /**
     * Detect Android emulators/devices.
     * Uses adb to list devices: adb devices -l
     */
    private detectAndroidDevices;
    /**
     * Launch a simulator or emulator.
     */
    launchDevice(device: Device): Promise<void>;
    /**
     * Launch iOS simulator.
     * Uses: open -a Simulator
     */
    private launchiOSSimulator;
    /**
     * Launch Android emulator.
     * Uses: emulator -avd <name>
     */
    private launchAndroidEmulator;
    /**
     * Cleanup after tests (e.g., close simulators).
     */
    cleanup(): Promise<void>;
}
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