function proposalsimport { proposals } from "https://dotland.deno.dev/x/polkadot@0.2.23/api-derive/treasury/index.ts"; proposals(instanceId: string, api: DeriveApi): () => Observable<DeriveTreasuryProposals>ParametersinstanceId: stringapi: DeriveApiReturns() => Observable<DeriveTreasuryProposals>