| **<aid="leader.leader"name="leader.leader">leader.leader</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `multiple``standard``mandatory``unique` | A leader.<br/>**Default**: <br/>• a<br/>• b<br/>• c |
| **<aid="leader.follower1"name="leader.follower1">leader.follower1</a>**<br/>[`integer`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | A follower.<br/>**Default**: the value of the index |