import { SortedMapEmpty } from "https://deno.land/x/rimbu@0.13.5/sorted/map-custom/implementation/immutable.ts";
Returns
SortedMapBuilder<K, V>
x/rimbu/sorted/map-custom/implementation/immutable.ts>SortedMapEmpty#toBuilder
import { SortedMapEmpty } from "https://deno.land/x/rimbu@0.13.5/sorted/map-custom/implementation/immutable.ts";