export type CacheTypeReducer< State extends CacheType, CachedType, RawType = CachedType, PresentType = CachedType | RawType, Fallback = PresentType | null,> = [State] extends ['cached'] ? CachedType : [State] extends ['raw'] ? RawType : [State] extends ['raw' | 'cached'] ? PresentType : Fallback;