contract Zer0netDbInterface {
    /* Interface getters. */
    function getAddress(bytes32 _key) external view returns (address);
    function getBool(bytes32 _key)    external view returns (bool);
    function getBytes(bytes32 _key)   external view returns (bytes);
    function getInt(bytes32 _key)     external view returns (int);
    function getString(bytes32 _key)  external view returns (string);
    function getUint(bytes32 _key)    external view returns (uint);

    /* Interface setters. */
    function setAddress(bytes32 _key, address _value) external;
    function setBool(bytes32 _key, bool _value) external;
    function setBytes(bytes32 _key, bytes _value) external;
    function setInt(bytes32 _key, int _value) external;
    function setString(bytes32 _key, string _value) external;
    function setUint(bytes32 _key, uint _value) external;

    /* Interface deletes. */
    function deleteAddress(bytes32 _key) external;
    function deleteBool(bytes32 _key) external;
    function deleteBytes(bytes32 _key) external;
    function deleteInt(bytes32 _key) external;
    function deleteString(bytes32 _key) external;
    function deleteUint(bytes32 _key) external;
}
/*******************************************************************************
 * 
 * Zer0netDb Interface
 */
function deleteAddress(bytes32 _key) external;

/* Interface deletes. */