@Override
    public NavigableSet<E> descendingSet() {
      synchronized (mutex) {
        if (descendingSet == null) {
          NavigableSet<E> dS = Synchronized.navigableSet(delegate().descendingSet(), mutex);
          descendingSet = dS;
          return dS;
        }
        return descendingSet;
      }
    }

    @Override
    @CheckForNull
    public E floor(E e) {

    @Override
    public NavigableSet<E> descendingSet() {
      synchronized (mutex) {
        if (descendingSet == null) {
          NavigableSet<E> dS = Synchronized.navigableSet(delegate().descendingSet(), mutex);
          descendingSet = dS;
          return dS;
        }
        return descendingSet;
      }
    }

    @Override
    @CheckForNull
    public E floor(E e) {

\u0633\u0646\u0648\u0627\u062a"},week:{dow:0,doy:12}});function ns(e){return 0===e?0:1===e?1:2===e?2:3<=e%100&&e%100<=10?3:11<=e%100?4:5}function rs(d){return function(e,a,t,s){var n=ns(e),r=is[d][ns(e)];return 2===n&&(r=r[a?0:1]),r.replace(/%d/i,e)}}var ds={1:"1",2:"2",3:"3",4:"4",5:"5",6:"6",7:"7",8:"8",9:"9",0:"0"},is={s:["\u0623\u0642\u0644 \u0645\u0646 \u062b\u0627\u0646\u064a\u0629","\u062b\u0627\u0646\u064a\u0629 \u0648\u0627\u062d\u062f\u0629",["\u062b\u0627\u0646\u064a\u062a\u0627\u0646","\u0...