default ListConsumerGroupOffsetsResult listConsumerGroupOffsets(String groupId) {
        return listConsumerGroupOffsets(groupId, new ListConsumerGroupOffsetsOptions());
    }
List the consumer group offsets available in the cluster with the default options.
<p>
This is a convenience method for {@link #listConsumerGroupOffsets(Map, ListConsumerGroupOffsetsOptions)}
to list offsets of all partitions of one group with default options.

@return The ListConsumerGroupOffsetsResult.
clients/src/main/java/org/apache/kafka/clients/admin/Admin.java