contract EternalStorage {
    mapping(bytes32 => uint256) private _uintStorage;
    mapping(bytes32 => string) private _stringStorage;
    mapping(bytes32 => address) private _addressStorage;
    mapping(bytes32 => bytes) private _bytesStorage;
    mapping(bytes32 => bool) private _boolStorage;
    mapping(bytes32 => int256) private _intStorage;

    // *** Getter Methods ***
    function getUint(bytes32 key) public view returns (uint256) {
        return _uintStorage[key];
    }

    function getString(bytes32 key) public view returns (string memory) {
        return _stringStorage[key];
    }

    function getAddress(bytes32 key) public view returns (address) {
        return _addressStorage[key];
    }

    function getBytes(bytes32 key) public view returns (bytes memory) {
        return _bytesStorage[key];
    }

    function getBool(bytes32 key) public view returns (bool) {
        return _boolStorage[key];
    }

    function getInt(bytes32 key) public view returns (int256) {
        return _intStorage[key];
    }

    // *** Setter Methods ***
    function _setUint(bytes32 key, uint256 value) internal {
        _uintStorage[key] = value;
    }

    function _setString(bytes32 key, string memory value) internal {
        _stringStorage[key] = value;
    }

    function _setAddress(bytes32 key, address value) internal {
        _addressStorage[key] = value;
    }

    function _setBytes(bytes32 key, bytes memory value) internal {
        _bytesStorage[key] = value;
    }

    function _setBool(bytes32 key, bool value) internal {
        _boolStorage[key] = value;
    }

    function _setInt(bytes32 key, int256 value) internal {
        _intStorage[key] = value;
    }

    // *** Delete Methods ***
    function _deleteUint(bytes32 key) internal {
        delete _uintStorage[key];
    }

    function _deleteString(bytes32 key) internal {
        delete _stringStorage[key];
    }

    function _deleteAddress(bytes32 key) internal {
        delete _addressStorage[key];
    }

    function _deleteBytes(bytes32 key) internal {
        delete _bytesStorage[key];
    }

    function _deleteBool(bytes32 key) internal {
        delete _boolStorage[key];
    }

    function _deleteInt(bytes32 key) internal {
        delete _intStorage[key];
    }
}
/**
 * @title EternalStorage
 * @dev This contract holds all the necessary state variables to carry out the storage of any contract.
 */
function _setUint(bytes32 key, uint256 value) internal {
    _uintStorage[key] = value;
}

// *** Setter Methods ***