import { createSignedBlockExtended } from "https://dotland.deno.dev/x/polkadot@0.2.23/api-derive/index.ts";
x/polkadot/api-derive/index.ts>createSignedBlockExtended
import { createSignedBlockExtended } from "https://dotland.deno.dev/x/polkadot@0.2.23/api-derive/index.ts";