4.0.0 google-cloud-contrib 0.120.0-alpha pom Google Cloud Contributions https://github.com/googleapis/google-cloud-java/tree/master/google-cloud-clients/google-cloud-contrib Contains packages that provide higher-level abstraction/functionality for common Google Cloud use cases. com.google.cloud google-cloud-clients 0.120.0-alpha google-cloud-contrib google-cloud-nio google-cloud-nio-examples google-cloud-logging-logback google-cloud-notification google-cloud-spanner-jdbc org.codehaus.mojo exec-maven-plugin false