[cols="1a,1a"]
|====
| Variable   | Description   
| **leader.leader** +
`string` `multiple` `standard` `mandatory` `unique`            | A leader. +
**Default**: 

* a
* b
* c               
| **leader.follower1** +
`integer` `standard` `mandatory`            | A follower. +
**Default**: the value of the index               
|====

