docs: public static void pause(long milli) {
  		final Thread t = Thread.currentThread();
  		long start = System.currentTimeMillis();
  		while( System.currentTimeMillis() - start < milli ) {
  			synchronized( t )  {
  				try {
  					long target = milli - (System.currentTimeMillis() - start);
  					if( target > 0 )
  						t.wait(target);
  				} catch (InterruptedException ignore) {
  				}
  			}
  		}
  	}