{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"MethodViolationCode::ReferencesSelfOutput"}]}
                MethodViolationCode::ReferencesSelfOutput => "the return type referencing `Self`",
                MethodViolationCode::ReferencesSelfInput => "having a parameter referencing `Self`",
                MethodViolationCode::ReferencesImplTraitInTrait => {