public ThreadInfo[] getThreadInfo(long[] ids,
                                      boolean lockedMonitors,
                                      boolean lockedSynchronizers) {

  {- -------------------------------------------
  (1) 
      ---------------------------------------- -}

            verifyThreadIds(ids);
            verifyDumpThreads(lockedMonitors, lockedSynchronizers);

  {- -------------------------------------------
  (1) sun.management.ThreadImpl.dumpThreads0() を呼び出し, その結果をリターン.
      ---------------------------------------- -}

            return dumpThreads0(ids, lockedMonitors, lockedSynchronizers);
        }