/// List of new validator candidates added during the current epoch.
        /// They will be processed at the end of the epoch.
        pending_active_validators: TableVec<ValidatorV1>,

        /// Mapping from a staking pool ID to the inactive validator that has that pool as its staking pool.
        /// When a validator is deactivated the validator is removed from `active_validators` it
        /// is added to this table so that stakers can continue to withdraw their stake from it.
        inactive_validators: Table<ID, Validator>,

        /// Table storing preactive/candidate validators, mapping their addresses to their `ValidatorV1 ` structs.
        /// When an address calls `request_add_validator_candidate`, they get added to this table and become a preactive
        /// validator.
        /// When the candidate has met the min stake requirement, they can call `request_add_validator` to
        /// officially add them to the active validator set `active_validators` next epoch.
        validator_candidates: Table<address, Validator>,