The Programmer want the settings for Key 'xyz', and should not care about where the Settings comes from.
'org.settings4j:settings4j:1.0'
<dependency>
<groupId>org.settings4j</groupId>
<artifactId>settings4j</artifactId>
<version>1.0</version>
</dependency>
<dependency org="org.settings4j" name="settings4j" rev="1.0"/>
"org.settings4j", "settings4j", "1.0"