fellowshipCollective: {
      /**
       * See [`Pallet::add_member`].
       **/
      addMember: AugmentedSubmittable<(who: MultiAddress | { Id: any } | { Index: any } | { Raw: any } | { Address32: any } | { Address20: any } | string | Uint8Array) => SubmittableExtrinsic<ApiType>, [MultiAddress]>;