List<String[]> () { String mavenVersionsString = System.getProperty("maven.versions.to.run"); String[] mavenVersionsToRun = MAVEN_VERSIONS; if (mavenVersionsString != null && !mavenVersionsString.isEmpty()) { mavenVersionsToRun = mavenVersionsString.split(","); } return ContainerUtil.map(mavenVersionsToRun, it -> new String[]{it}); }