nifi-commons org.apache.nifi 1.19.0-SNAPSHOT 4.0.0 nifi-metrics org.codehaus.mojo build-helper-maven-plugin 1.5 add-source generate-sources add-source src/main/groovy add-test-source generate-test-sources add-test-source src/test/groovy org.apache.nifi nifi-api 1.19.0-SNAPSHOT io.dropwizard.metrics metrics-jvm 4.1.2 org.spockframework spock-core test