import { type BiMultiMapBase } from "https://deno.land/x/rimbu@1.0.3/bimultimap/custom/interface/base.ts";
const { NonEmpty } = BiMultiMapBase;
Module
x/rimbu/bimultimap/custom/interface/base.ts>BiMultiMapBase.NonEmpty
Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.