code: function(sids, options, callback) {
              _check_sids('cancel', sids);
  
              // For each of the supplied sids, cancel the job.
              this._foreach(sids, function(job, idx, done) {
                  job.cancel(function (err) { 
                      if (err) {
                          done(err);
                          return;
                      }
                      
                      console.log("  Job " + job.sid + " cancelled"); 
                      done(); 
                  });
              }, callback);
          }
docs: Cancel the specified search jobs