* selected subtransaction.
* <li> {@link DOMDataWriteTransaction#commit()} - results in invoking
* {@link DOMStoreWriteTransaction#ready()}, gathering all resulting cohorts
* and then invoking finalized implementation callback
* selected subtransaction.
* <li> {@link DOMDataWriteTransaction#commit()} - results in invoking
* {@link DOMStoreWriteTransaction#ready()}, gathering all resulting cohorts
* and then invoking finalized implementation callback