{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"///"}]}
    /// with 7 chunks, we have 3 entries in the stack. Adding an 8th chunk
    /// The stack size is MAX_DEPTH + 1 because we do lazy merging. For example,
    /// requires a 4th entry, rather than merging everything down to 1, because we