const queryOptions: Array<QueryObserverOptions<Data, Error, SelectedData, Data, QueryKey>> = { } // some query options
// defaultedOptions typed as DefaultedQueryObserverOptions<unknown, Error, unknown, unknown, QueryKey>[]
const defaultedOptions = queryOptions.map(queryOption => {
 const defaultedOption = queryClient.defaultQueryOptions(queryOption)
 defaultedOption._optimisticResults = isRestoring
 ? 'isRestoring'
 : 'optimistic'
 return defaultedOption
})
// OK
const queriesObserver = new QueriesObserver<Array<QueryObserverResult<SelectedData, Error>>>(
 queryClient,
 defaultedOptions
)
// ERROR
// Argument of type 'DefaultedQueryObserverOptions<Data, Error, SelectedData, Data, QueryKey>[]' is not assignable to parameter of type 'QueryObserverOptions<unknown, Error, unknown, unknown, QueryKey, never>[]'.
// Type 'DefaultedQueryObserverOptions<Data, Error, SelectedData, Data, QueryKey>' is not assignable to type 'QueryObserverOptions<unknown, Error, unknown, unknown, QueryKey, never>'.
// Types of property 'enabled' are incompatible.
// Type 'Enabled<Data, Error, Data, QueryKey> | undefined' is not assignable to type 'Enabled<unknown, Error, unknown, QueryKey> | undefined'.
// Type '(query: Query<Data, Error, Data, QueryKey>) => boolean' is not assignable to type 'Enabled<unknown, Error, unknown, QueryKey> | undefined'.
// Type '(query: Query<Data, Error, Data, QueryKey>) => boolean' is not assignable to type '(query: Query<unknown, Error, unknown, QueryKey>) => boolean'.
// Types of parameters 'query' and 'query' are incompatible.
// Type 'Query<unknown, Error, unknown, QueryKey>' is not assignable to type 'Query<Data, Error, Data, QueryKey>'.
// The types of 'options.queryFn' are incompatible between these types.
// Type 'unique symbol | QueryFunction<unknown, QueryKey, never> | undefined' is not assignable to type 'unique symbol | QueryFunction<Data, QueryKey, never> | undefined'.
// Type 'QueryFunction<unknown, QueryKey, never>' is not assignable to type 'unique symbol | QueryFunction<Data, QueryKey, never> | undefined'.
// Type 'QueryFunction<unknown, QueryKey, never>' is not assignable to type 'QueryFunction<Data, QueryKey, never>'.
// Type 'unknown' is not assignable to type 'Data'.
// 'Data' could be instantiated with an arbitrary type which could be unrelated to 'unknown'.ts(2345)
queriesObserver.setQueries(defaultedOptions)