因为`@vue/compiler-sfc`不支持`InstanceType`,编辑器里`vue`文件有提示里是因为ts在处理 [https://github.com/vuejs/core/blob/a6503e3e77b04a1ab8c07078e07091b06d51131d/packages/compiler-sfc/src/script/resolveType.ts#L589-L595](https://link.segmentfault.com/?enc=uUaMNbYOqZd4KTLSeKyVkw%3D%3D.yT0znTtYeY8YrjXe8gIMYrurOvIbJilalV74zBnlEQyonls7M6zC82o87rEmKfPfOEpughmKsE9NpkgRfw8TMc9qQ97sUtUgFLzqPJV4snjqfRQd6Ryrha7kusAgAfBTzocrZYiGoocWZ4w4j9j92UJJ0rTj0Dt2wlYBeCPDgC0nOd6Jxu8qZbR2XHYHKWxW) const SupportedBuiltinsSet = new Set([ 'Partial', 'Required', 'Readonly', 'Pick', 'Omit' ] as const)