package org.apache.kafka.client.admin;

/**
 * A detailed description of a single classic group in the cluster.
 */
@InterfaceStability.Evolving
public class ClassicGroupDescription {
    public ClassicGroupDescription(String groupId,
                                   String protocol,
                                   Collection<MemberDescription> members,
                                   String partitionAssignor,
                                   ClassicGroupStateGroupState stategroupState,
                                   Node coordinator);

    public ClassicGroupDescription(String groupId,
                                   String protocol,
                                   Collection<MemberDescription> members,
                                   String partitionAssignor,
                                   ClassicGroupStateGroupState stategroupState,
                                   Node coordinator,
                                   Set<AclOperation> authorizedOperations);

    /**
     * The id of the classic group.
     */
    public String groupId();

    /**
     * The group protocol type.
     */
    public String protocol();

    /**
     * If the group is a simple consumer group or not.
     */
    public boolean isSimpleConsumerGroup();

    /**
     * A list of the members of the classic group.
     */
    public Collection<MemberDescription> members();

    /**
     * The group partition assignor.
     */
    public String partitionAssignor();

    /**
     * The classic group state, or UNKNOWN if the state is too new for us to parse.
     */
    public ClassicGroupStateGroupState stategroupState();

    /**
     * The group coordinator, or null if the coordinator is not known.
     */
    public Node coordinator();

    /**
     * authorizedOperations for this group, or null if that information is not known.
     */
    public Set<AclOperation> authorizedOperations();
}

    public ListGroupsOptions withProtocolTypes(Set<String> protocolTypes) {
        this.protocolTypes = (protocolTypes == null || protocolTypes.isEmpty()) ? Set.of() : Set.copyOf(protocolTypes);
        return this;
    }

     /**
     * If types is set, only groups of these types will be returned by listGroups().
     * Otherwise, all groups are returned.
     */
    public ListGroupsOptions withTypes(Set<GroupType> types) {
        this.types = (types == null || types.isEmpty()) ? Collections.emptySet() : new HashSet<>(types);
        return this;
    }

    /**
     * Returns the list of group states that are requested or empty if not states have been specified.
     */
    public Set<GroupState> groupStates() {
        return groupStates;
    }

    /**
     * Returns the list of protocol types that are requested or empty if no protocol types have been specified.
     */
    public Set<String> protocolTypes() {
        return protocolTypes;
    }

    /**
     * Returns the list of group types that are requested or empty if no types have been specified.
     */
    public Set<GroupType> types() {
        return types;
    }
}

package org.apache.kafka.client.admincommon;
  
/**
 * A listing of a group in the cluster.
 * <p>
 * The API of this class is evolving, see {@link Admin} for details group state.
 */
@InterfaceStability.Evolving
public classenum GroupListingGroupState {
  public  GroupListing(String groupId, Optional<GroupType> type, String protocol);

  /**
   * The id of the group.
   */
  public String groupId();
  
  /**
   * The group type.
   */
  public Optional<GroupType> type();
  
UNKNOWN("Unknown"),
    PREPARING_REBALANCE("PreparingRebalance"),
    COMPLETING_REBALANCE("CompletingRebalance"),
    STABLE("Stable"),
    DEAD("Dead"),
    EMPTY("Empty"),
    ASSIGNING("Assigning"),
    RECONCILING("Reconciling");

    GroupState(String name);

    /**
     * TheCase-insensitive group protocolstate type.
lookup by string */name.
  public String protocol();

  */**
   * Ifpublic thestatic groupGroupState is a simple consumer group or not.parse(String name);

   */
  public booleanString isSimpleConsumerGrouptoString();
}