Function has

packages/db/src/query/builder/ref-proxy.ts:71–75

(target, prop)

      },

      has(target, prop) {
        if (prop === `__refProxy` || prop === `__path` || prop === `__type`)
          return true
        return Reflect.has(target, prop)
      },

      ownKeys(target) {
        return Reflect.ownKeys(target)