export interface SensorData {
    x: number;
    y: number;
    z: number;
}
export declare class DeviceTracking {
    private accelerometerSubscription;
    private gyroscopeSubscription;
    private deviceMotionSubscription;
    private magnetometerSubscription;
    accelerometerData: SensorData | null;
    gyroscopeData: SensorData | null;
    deviceMotionData: any;
    magnetometerData: SensorData | null;
    startAccelerometer(interval?: number): void;
    stopAccelerometer(): void;
    startGyroscope(interval?: number): void;
    stopGyroscope(): void;
    startDeviceMotion(interval?: number): void;
    stopDeviceMotion(): void;
    startMagnetometer(interval?: number): void;
    stopMagnetometer(): void;
    stopAllSensors(): void;
}