method MultiSetNonEmpty.prototype.copyimport { MultiSetNonEmpty } from "https://deno.land/x/rimbu@1.0.3/multiset/custom/index.ts"; copy(countMap: TpG["countMapNonEmpty"], size: number): TpG["nonEmpty"]ParameterscountMap: TpG["countMapNonEmpty"]size: numberReturnsTpG["nonEmpty"]