add proper access modifiers

/** The implementation of exponential backoff with jitter applied. */

public class ExponentialBackoff {

    private int mRetryCounter;

    private long mStartDelayMs;

    private long mMaximumDelayMs;

        this(initialDelayMs, maximumDelayMs, multiplier, maxRetries, new Handler(looper), runnable);

    }

    public ExponentialBackoff(

    private ExponentialBackoff(

            long initialDelayMs,

            long maximumDelayMs,

            int multiplier,

    }

    /** Should call when the retry action has failed and we want to retry after a longer delay. */

    public void notifyFailed() {

    private void notifyFailed() {

        if(mRetryCounter > mMaxRetries) {

            stop();

        } else {

        private final Runnable runnable;

        public WrapperRunnable(Runnable runnable) {

        WrapperRunnable(Runnable runnable) {

            this.runnable = runnable;

        }