fellowshipCollective: {
      /**
       * The index of each ranks's member into the group of members who have at least that rank.
       **/
      idToIndex: AugmentedQuery<ApiType, (arg1: u16 | AnyNumber | Uint8Array, arg2: AccountId32 | string | Uint8Array) => Observable<Option<u32>>, [u16, AccountId32]> & QueryableStorageEntry<ApiType, [u16, AccountId32]>;