syntax_data: {"ast_node_type":"import","tokens":[{"end":69,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // where-clause that says `T::Foo: 'a`, or the defining trait may
context_before:     // `T::Foo: 'a` can be satisfied in so many ways. There may be a
context_after:     // include a bound like `type Foo: 'static`, or -- in the most