Time.java

package com.box.sdk;

class Time {
    private static final ThreadLocal<Time> THREAD_LOCAL_INSTANCE = new ThreadLocal<Time>() {
        @Override
        protected Time initialValue() {
            return new Time();
        }
    };

    static Time getInstance() {
        return THREAD_LOCAL_INSTANCE.get();
    }

    void waitDuration(int milliseconds) throws InterruptedException {
        Thread.sleep(milliseconds);
    }
}