interface DeriveReferendumimport { type DeriveReferendum } from "https://dotland.deno.dev/x/polkadot@0.2.23/api-derive/types.ts"; Propertiesindex: ReferendumIndexoptionalimage: DeriveProposalImageimageHash: HexStringstatus: PalletDemocracyReferendumStatus | ReferendumInfoTo239