default Result mutateRow(final RowMutations rm) throws IOException {
    throw new NotImplementedException("Add an implementation!");
  }
Performs multiple mutations atomically on a single row. Currently {@link Put} and
{@link Delete} are supported.
@param rm object that specifies the set of mutations to perform atomically
@return results of Increment/Append operations
@throws IOException if a remote or network exception occurs.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Table.java