@Override
    public CompletableFuture<List<DescribedGroup>> shareGroupDescribe(
        RequestContext context,
        List<String> groupIds) {
        // TODO: Implement this method as part of KIP-932.
        throw new UnsupportedOperationException();
    }
See {@link GroupCoordinator#shareGroupDescribe(RequestContext, List)}.
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupCoordinatorService.java