'org.apache.lucene:lucene-grouping:3.4.0'
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-grouping</artifactId>
<version>3.4.0</version>
</dependency>
<dependency org="org.apache.lucene" name="lucene-grouping" rev="3.4.0"/>
"org.apache.lucene", "lucene-grouping", "3.4.0"