So far, all my Maven plugins are in Groovy, this may change... But is unlikely to.
'com.bluetrainsoftware.composite:composite-maven-plugin:1.1'
<dependency>
<groupId>com.bluetrainsoftware.composite</groupId>
<artifactId>composite-maven-plugin</artifactId>
<version>1.1</version>
</dependency>
<dependency org="com.bluetrainsoftware.composite" name="composite-maven-plugin" rev="1.1"/>
"com.bluetrainsoftware.composite", "composite-maven-plugin", "1.1"