The result of
Admin.electLeaders(ElectionType, Set, ElectLeadersOptions)
The API of this class is evolving, see
Admin for details.
Get a future for the topic partitions for which a leader election was attempted. If the election succeeded then the value for a topic partition will be the empty Optional. Otherwise the election failed and the Optional will be set with the error.
allReturn a future which succeeds if all the topic elections succeed.