private InternalDistributedMember getJavaGroupsIdForVM(VM vm) {
    return vm.invoke(this::remoteGetJavaGroupsIdForVM);
  }
Puts (or creates) a value in a region named <code>regionName</code> named
<code>entryName</code>.
geode-core/src/distributedTest/java/org/apache/geode/distributed/internal/ClusterDistributionManagerForAdminDUnitTest.java