This is an internal component to build a MQTT gateway.
Add the following repository to your project:
<repository>
<id>github</id>
<name>GitHub mqtt-home Apache Maven Packages</name>
<url>https://maven.pkg.github.com/mqtt-home/mqtt-gateway</url>
</repository>
Make sure you have a GitHub access token in your ~/.m2/settings.xml
<servers>
<server>
<id>github</id>
<username>your username</username>
<password>your access token</password>
</server>
</servers>
See https://docs.github.com/en/packages/guides/configuring-apache-maven-for-use-with-github-packages
Use the following dependency:
<dependency>
<groupId>de.rnd7.mqttgateway</groupId>
<artifactId>mqttgateway</artifactId>
<version>1.1.0-b7</version>
</dependency>