export type Accelerometer = { isStarted: boolean; x: number; y: number; z: number; start: (params: AccelerometerStartParams, callback?: AccelerometerCallback['start']) => Accelerometer; stop: (callback?: AccelerometerCallback['stop']) => Accelerometer; }; export type AccelerometerStartParams = { refresh_rate?: number; }; export type AccelerometerCallback = { start: (success: boolean) => void; stop: (success: boolean) => void; };