Default Tree
- Root node 1
- Child node 1
- Child node 2
- Child node 3
- Child node 1
- Child node 2
- Child node 1
- Child node 2
- Child node 3
- Child node 4
- Root node 2
- Child
- Child
- Child
Checkable Tree
- Root node 1
- Child node 1
- Child node 2
- Child node 3
- Child node 1
- Child node 2
- Root node 2