function proposalsimport { proposals } from "https://deno.land/x/polkadot@0.2.45/api-derive/treasury/index.ts"; proposals(instanceId: string, api: DeriveApi): () => Observable<DeriveTreasuryProposals>ParametersinstanceId: stringapi: DeriveApiReturns() => Observable<DeriveTreasuryProposals>