Yaojian

The `(css)` options [is specific to less](http://lesscss.org/features/#import-atrules-feature-import-options), not css. So it should be provided by `semantic-ui-less` ?

@BetterCallSky I use custom objects instead of subclasses of Error becuase there is [a limitation in TypeScript when compiling to ES5 ](https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work)

May be you can generate `.prisma` to a custom directory : https://www.prisma.io/docs/concepts/components/prisma-client/working-with-prismaclient/generating-prisma-client#using-a-custom-output-path