syntax_data: {"ast_node_type":"import","tokens":[{"end":78,"kind":"keyword","start":0,"text":"(see"}]}
source_snippet: (see caveat in next paragraph). This is because destruction scopes are tied to
context_before: For now, we record the `region::Scope` to each SEME region for later reference
context_after: them. This may change in the future so that MIR lowering determines its own