ref: e7ce17381f525328073577d60583447fc9412c18
dir: /refstore/files/transaction_queue.go/
package files
func (tx *Transaction) queue(op queuedUpdate) error {
err := (&refUpdateExecutor{store: tx.store}).validateQueuedUpdate(op)
if err != nil {
return err
}
tx.ops = append(tx.ops, op)
return nil
}