Holds: StorageDescriptor<
    [Key: SS58String],
    {
        amount: bigint;
        id: Enum<
            {
                AssetRewards: Enum<{ PoolCreation: undefined }>;
                NftFractionalization: Enum<{ Fractionalized: undefined }>;
                Revive: Enum<
                    {
                        AddressMapping: undefined;
                        CodeUploadDepositReserve: undefined;
                        StorageDepositReserve: undefined;
                    },
                >;
                StateTrieMigration: Enum<{ SlashForMigrate: undefined }>;
            },
        >;
    }[],
    false,
    never,
>

Holds on account balances.