import { StorageKey } from "https://deno.land/x/polkadot@0.2.38/types/primitive/StorageKey.ts";
Returns
key is IStorageKey<A>
x/polkadot/types/primitive/StorageKey.ts>StorageKey#is
import { StorageKey } from "https://deno.land/x/polkadot@0.2.38/types/primitive/StorageKey.ts";