syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // include a bound like `type Foo: 'static`, or -- in the most
context_before:     // where-clause that says `T::Foo: 'a`, or the defining trait may
context_after:     // conservative way -- we can prove that `T: 'a` (more generally,