function toMapimport { toMap } from "https://deno.land/x/lazy@v1.7.3/lib/aggregates.ts"; toMap<TSource, TKey, TElement = TSource>(iterable: Iterable<TSource>,keyFn: MapFn<TSource, TKey>,valueFn?: MapFn<TSource, TElement>,): Map<TKey, TElement>Type ParametersTSourceTKeyoptionalTElement = TSourceParametersiterable: Iterable<TSource>keyFn: MapFn<TSource, TKey>optionalvalueFn: MapFn<TSource, TElement>ReturnsMap<TKey, TElement>