syntax_data: {"ast_node_type":"import","tokens":[{"end":68,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// because it is the bound 3 binders out. However, if we wanted
context_before:     /// Here, the region `'a` would have the De Bruijn index D3,
context_after:     /// to refer to that region `'a` in the second argument (the `_`),