'Apply a series of batches (each a series of mutations on a single row)
in a single transaction.  If an exception is thrown, then the
transaction is aborted.  The specified timestamp is used, and
all entries will have an identical timestamp.
Parameters:
- tableName: name of table
- rowBatches: list of row batches
- timestamp: timestamp
- attributes: Mutation attributes'

def mutateRowsTs(self, tableName, rowBatches, timestamp, attributes):

    pass
