syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"ty::UnsafeBinder(_)"}]}
source_snippet:         ty::UnsafeBinder(_) => Some(SimplifiedType::UnsafeBinder),
context_before:         }
context_after:         ty::Placeholder(..) => Some(SimplifiedType::Placeholder),