public static Set<DistributedMember> findMembers(String[] groups, String[] members,
      DistributionManager distributionManager) {
    Set<DistributedMember> allNormalMembers = new HashSet<>(
        distributionManager.getNormalDistributionManagerIds());

    return findMembers(allNormalMembers, groups, members);
  }
Finds all Servers which belong to the given arrays of groups or members. Does not include
locators.
geode-core/src/main/java/org/apache/geode/management/internal/util/ManagementUtils.java