TS Exclude


```typetype MaterialKey = Exclude<keyof PointCloudMaterial, 'isMaterial'```




> [How can I remove a wider type from a union type without removing its subtypes in TypeScript?](https://stackoverflow.com/questions/51954558/how-can-i-remove-a-wider-type-from-a-union-type-without-removing-its-subtypes-in)






