syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// the `Self` type of the trait reference and `A`, `B`, and `C`
context_before:     /// Corresponds to `where Foo: Bar<A, B, C>`. `Foo` here would be
context_after:     /// would be the type parameters.