syntax_data: {"ast_node_type":"other","tokens":[{"end":6,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     //
context_before:     // outlive the bound. So for example if we had a type like this:
context_after:     //     for<'a> Trait1<  <T as Trait2<'a,'b>>::Foo  >