class apiContract.ContractRx extends Contract<"rxjs">import { apiContract } from "https://dotland.deno.dev/x/polkadot@0.2.38/mod.ts"; const { ContractRx } = apiContract; ConstructorsnewContractRx(api: ApiRx,abi: string | Record<string, unknown> | Abi,address: string | AccountId,)