<@U2FRKFGV9> The type you should be declaring are ...

# announcements

[edwardwongtl]

@qwert_ukg The type you should be declaring are String or String?, depends on the situation.
Every thing comes from Java is of type Type!, cause there is no way to ensure if it is nullable or not. So the responsibility comes down to the developer to manually casting it to Kotlin types, which are Type and Type?