'maven:maven-test-plugin:1.6.1'
<dependency>
<groupId>maven</groupId>
<artifactId>maven-test-plugin</artifactId>
<version>1.6.1</version>
</dependency>
<dependency org="maven" name="maven-test-plugin" rev="1.6.1"/>
"maven", "maven-test-plugin", "1.6.1"