syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// in ambiguity without changing the inference state, we still want to tell the
context_before:     /// however matter for diagnostics. If `T: Foo` resulted in overflow and `T: Bar`
context_after:     /// user that `T: Baz` results in overflow.