### IndexRangeIterator · class

Iterator for range queries on indexes.
Handles common iteration logic for both primary and unique indexes.
Extends built-in Iterator to provide map/filter/reduce/toArray/etc.

**Type Parameters:**

- `ITEM`

#### indexRangeIterator.[Symbol.iterator] · method

**Signature:** `() => this`

#### indexRangeIterator.next · method

**Signature:** `() => IteratorResult<ITEM, any>`

#### indexRangeIterator.count · method

**Signature:** `() => number`

#### indexRangeIterator.fetch · method

**Signature:** `() => ITEM`