Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/
'org.spark-project.spark:unused:1.0.0'
<dependency>
<groupId>org.spark-project.spark</groupId>
<artifactId>unused</artifactId>
<version>1.0.0</version>
</dependency>
<dependency org="org.spark-project.spark" name="unused" rev="1.0.0"/>
"org.spark-project.spark", "unused", "1.0.0"