import { type PrimeFnRet } from "https://deno.land/x/polkadot@0.2.40/api-derive/collective/types.ts";
definition: (instanceId: string, api: DeriveApi) => () => Observable<AccountId | null>
x/polkadot/api-derive/collective/types.ts>PrimeFnRet
import { type PrimeFnRet } from "https://deno.land/x/polkadot@0.2.40/api-derive/collective/types.ts";