import { type DrrResult } from "https://deno.land/x/polkadot@0.2.30/rpc-core/util/drr.ts";
definition: <T>(source$: Observable<T>) => Observable<T>
Very Popular
import { type DrrResult } from "https://deno.land/x/polkadot@0.2.30/rpc-core/util/drr.ts";