default void postBatchMutateIndispensably(
    ObserverContext<? extends RegionCoprocessorEnvironment> ctx,
    MiniBatchOperationInProgress<Mutation> miniBatchOp, boolean success) throws IOException {
  }
Called after the completion of batch put/delete/increment/append and will be called even if the
batch operation fails.
<p>
Note: Do not retain references to any Cells in Mutations beyond the life of this invocation. If
need a Cell reference for later use, copy the cell and use that.
@param success true if batch operation is successful otherwise false.
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java