import { BTreeMap } from "https://dotland.deno.dev/x/polkadot@0.2.45/types/bundle.ts";
Parameters
keyType: CodecClass<K> | string
valType: CodecClass<V> | string
import { BTreeMap } from "https://dotland.deno.dev/x/polkadot@0.2.45/types/bundle.ts";