import { KNOWN_VERSIONS } from "https://dotland.deno.dev/x/polkadot@0.2.45/types/metadata/versions.ts";
x/polkadot/types/metadata/versions.ts>KNOWN_VERSIONS
import { KNOWN_VERSIONS } from "https://dotland.deno.dev/x/polkadot@0.2.45/types/metadata/versions.ts";