messageQueue: {
      /**
       * The index of the first and last (non-empty) pages.
       **/
      bookStateFor: AugmentedQuery<ApiType, (arg: PolkadotRuntimeParachainsInclusionAggregateMessageOrigin | { Ump: any } | string | Uint8Array) => Observable<PalletMessageQueueBookState>, [PolkadotRuntimeParachainsInclusionAggregateMessageOrigin]> & QueryableStorageEntry<ApiType, [PolkadotRuntimeParachainsInclusionAggregateMessageOrigin]>;