{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//"}]}
        // top-level or-pat. Normally, this means recovering both `|` and `||`, but in this case,
        // In order to get good UX, we first recover in the case of a leading vert for an illegal
        // a leading `||` probably doesn't indicate an or-pattern attempt, so we handle that