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public class ListConsumerGroupsOptions extends AbstractOptions<ListConsumerGroupsOptions> {

    /**
     * Only groups in these states will be returned by listConsumerGroups()
     * If not set, all groups are returned without their states
     * throw IllegalArgumentException if states is empty
     */
    public ListConsumerGroupsOptions inStates(Set<ConsumerGroupState> states) {}

    /**
     * All groups with their states will be returned by listConsumerGroups()
     */
    public ListConsumerGroupsOptions inAnyState() {}

    /**
     * Returns the list of States that are requested or null if no states have been specified
     */
    public Set<ConsumerGroupState> states() {}
}