interface DefinitionRpcExt
implements DefinitionRpc
import { type DefinitionRpcExt } from "https://deno.land/x/polkadot@0.2.40/types/types/index.ts";
import { type DefinitionRpcExt } from "https://deno.land/x/polkadot@0.2.40/types/types/index.ts";