function _syncEngine(engine) {
    try {
      engine.sync();
    }
    catch(e) {
      if (e.status == 401) {
        // Maybe a 401, cluster update perhaps needed?
        // We rely on ErrorHandler observing the sync failure notification to
        // schedule another sync and clear node assignment values.
        // Here we simply want to muffle the exception and return an
        // appropriate value.
        return false;
      }
    }

    return true;
  }
// false / no return value means sync should be aborted.
false / no return value means sync should be aborted.
false / no return value means sync should be aborted .
function _syncEngine(engine) {
    try {
      engine.sync();
    }
    catch(e) {
      if (e.status == 401) {
        return false;
      }
    }
    return true;
  }
function _syncEngine ( engine ) { try { engine . sync ( ) ; } catch ( e ) { if ( e . status == 401 ) { return false ; } } return true ; }
false / no return value means sync should be aborted.
false / no return value means sync should be aborted .
// Maybe a 401, cluster update perhaps needed? // We rely on ErrorHandler observing the sync failure notification to // schedule another sync and clear node assignment values. // Here we simply want to muffle the exception and return an // appropriate value.