{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"MethodViolationCode::ReferencesImplTraitInTrait"}]}
                MethodViolationCode::ReferencesImplTraitInTrait => {
                MethodViolationCode::ReferencesSelfOutput => "the return type referencing `Self`",
                    "the return type containing `impl Trait`"