syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         //   early-bound parameter and `'b` is a late-bound parameter with a
context_before:         // - The supertrait-ref is `for<'b> Bar1<'a,'b>`, where `'a` is an
context_after:         //   DB index of 1.