{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"///"}]}
/// `Visited` and push a `Settled` event for it on stack followed by `Visited` events for all of
/// been `Visited` or `Settled`. When a node is examined for the first time, we mark it as
/// its predecessors, scheduling them for examination. Multiple `Visited` events for a single node