I'd like to implement the following tree structure:
So what I'd like to know is if it is possible to mix folder and leaf nodes on the same hierarchical level, as shown here "Folder1_1" and "Leaf1_1"?
Or is there a way to get a workaround, for example: "Leaf1_1" would be a tree node with a leaf icon, and it can't be expanded. Is there a property to mark a tree node not traversable?
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