As a plugin developer you can use this plugin as dependency of your plugin by adding a dependency tag to your POM.
To add the latest version of this plugin as a maven dependency, use the following:
<dependency>
<groupId>org.sonatype.nexus.ci</groupId>
<artifactId>nexus-jenkins-plugin</artifactId>
<version>3.16.487.v5d4d3b_6942ee</version>
</dependency>