import { type MockStateSubscriptions } from "https://deno.land/x/polkadot@0.2.29/rpc-provider/mock/types.ts";
definition: Record<string, { callbacks: Record<number, MockStateSubscriptionCallback>; lastValue: any; }>
x/polkadot/rpc-provider/mock/types.ts>MockStateSubscriptions
import { type MockStateSubscriptions } from "https://deno.land/x/polkadot@0.2.29/rpc-provider/mock/types.ts";