// LandManager.sol
function _reconfigure() internal {
    // ...
    MIN_TAX_RATE = IConfigStorage(configStorage).getUint(
        StorageKey.LockManager
    );
    MAX_TAX_RATE = IConfigStorage(configStorage).getUint(
        StorageKey.AccountManager
    );
    DEFAULT_TAX_RATE = IConfigStorage(configStorage).getUint(
        StorageKey.ClaimManager
    );
    // ...
}
// IConfigStorage.sol
enum StorageKey {
    // ...
    LockManager,
    AccountManager,
    ClaimManager,
    // ...
}
