see http://maven.apache.org/guides/introduction/introduction-to-optional-and-excludes-dependencies.html
'org.csc:phynixx-optionals:2.0.1'
<dependency>
<groupId>org.csc</groupId>
<artifactId>phynixx-optionals</artifactId>
<version>2.0.1</version>
</dependency>
<dependency org="org.csc" name="phynixx-optionals" rev="2.0.1"/>
"org.csc", "phynixx-optionals", "2.0.1"