IndexReader

type IndexReader<TKey> = Pick<IndexInterface<TKey>, 
  | "lookup"
  | "rangeQuery"
  | "take"
  | "takeFromStart"
  | "keyCount"
  | "supports"
  | "supportsRangeOptimization"
| "canOptimizeRangeFor">;

type IndexReader<TKey> = Pick<IndexInterface<TKey>, 
  | "lookup"
  | "rangeQuery"
  | "take"
  | "takeFromStart"
  | "keyCount"
  | "supports"
  | "supportsRangeOptimization"
| "canOptimizeRangeFor">;