xyz.gaussframework gauss-parent 2.4.0 ../pom.xml 4.0.0 gauss-engine 2.4.0 pom gauss-engine-spring-boot-starter gauss-engine-core 8 8 org.apache.maven.plugins maven-javadoc-plugin 3.4.0 org.apache.maven.plugins maven-source-plugin 3.2.1 org.apache.maven.plugins maven-gpg-plugin 3.0.1