public static List<VmConfiguration> all() {
    return new ArrayList<>(ALL_CONFIGURATIONS);
  }
Returns the list of available VM configurations. This includes:
<ul>
<li>Configurations for the current version of Java with each compatible version of Geode.</li>
<li>Configurations for the current version of Geode with each compatible version of Java.</li>
</ul>

@return the list of available VM configurations
geode-junit/src/main/java/org/apache/geode/test/version/VmConfigurations.java