import { type DeriveHeartbeatAuthor } from "https://dotland.deno.dev/x/polkadot@0.2.45/api-derive/types.ts";
x/polkadot/api-derive/types.ts>DeriveHeartbeatAuthor
import { type DeriveHeartbeatAuthor } from "https://dotland.deno.dev/x/polkadot@0.2.45/api-derive/types.ts";