{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"ty::UserType::new(ty::UserTypeKind::Ty(user_provided_sig.output())),"}]}
            ty::UserType::new(ty::UserTypeKind::Ty(user_provided_sig.output())),
            output_decl.ty,
            output_decl.source_info.span,