interface DeriveReferendumimport { type DeriveReferendum } from "https://dotland.deno.dev/x/polkadot@0.2.45/api-derive/types.ts"; Propertiesindex: ReferendumIndexoptionalimage: DeriveProposalImage | undefinedimageHash: HexStringstatus: PalletDemocracyReferendumStatus | ReferendumInfoTo239