// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        AcceptAnInvitationRequest acceptAnInvitationRequest = new AcceptAnInvitationRequest(); // AcceptAnInvitationRequest | 
        try {
            SendbirdGroupChannelDetail result = api.acceptAnInvitation(channelUrl)
                .apiToken(apiToken)
                .acceptAnInvitationRequest(acceptAnInvitationRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#acceptAnInvitation");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String operatorIds = "operatorIds_example"; // String | Specifies an array of one or more operator IDs to unregister from the channel. The operators in this array remain as participants of the channel after losing their operational roles. Urlencoding each operator ID is recommended. An example of a Urlencoded array would be ?operator_ids=urlencoded_id_1,urlencoded_id_2.
        Boolean deleteAll = true; // Boolean | 
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            Object result = api.cancelTheRegistrationOfOperators(channelUrl)
                .operatorIds(operatorIds)
                .deleteAll(deleteAll)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#cancelTheRegistrationOfOperators");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String userId = "userId_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            CheckIfMemberResponse result = api.checkIfMember(channelUrl, userId)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#checkIfMember");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String apiToken = "{{API_TOKEN}}"; // String | 
        CreateAGroupChannelRequest createAGroupChannelRequest = new CreateAGroupChannelRequest(); // CreateAGroupChannelRequest | 
        try {
            SendbirdGroupChannelDetail result = api.createAGroupChannel()
                .apiToken(apiToken)
                .createAGroupChannelRequest(createAGroupChannelRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#createAGroupChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | 
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            Object result = api.deleteAGroupChannel(channelUrl)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#deleteAGroupChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | 
        Boolean showDeliveryReceipt = true; // Boolean | 
        Boolean showReadReceipt = true; // Boolean | 
        Boolean showMember = true; // Boolean | 
        String memberActiveMode = "all"; // String | Restricts the member list to members who are activated or deactivated in the channel. This parameter is only effective if the parameter show_member is true. Acceptable values are all, activated, and deactivated. (default: all)
        String userId = "userId_example"; // String | 
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            GetAGroupChannelResponse result = api.getAGroupChannel(channelUrl)
                .showDeliveryReceipt(showDeliveryReceipt)
                .showReadReceipt(showReadReceipt)
                .showMember(showMember)
                .memberActiveMode(memberActiveMode)
                .userId(userId)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#getAGroupChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        HideAChannelRequest hideAChannelRequest = new HideAChannelRequest(); // HideAChannelRequest | 
        try {
            Object result = api.hideAChannel(channelUrl)
                .apiToken(apiToken)
                .hideAChannelRequest(hideAChannelRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#hideAChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        InviteAsMembersRequest inviteAsMembersRequest = new InviteAsMembersRequest(); // InviteAsMembersRequest | 
        try {
            InviteAsMembersResponse result = api.inviteAsMembers(channelUrl)
                .apiToken(apiToken)
                .inviteAsMembersRequest(inviteAsMembersRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#inviteAsMembers");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        JoinAChannelRequest joinAChannelRequest = new JoinAChannelRequest(); // JoinAChannelRequest | 
        try {
            SendbirdGroupChannelDetail result = api.joinAChannel(channelUrl)
                .apiToken(apiToken)
                .joinAChannelRequest(joinAChannelRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#joinAChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | 
        String apiToken = "{{API_TOKEN}}"; // String | 
        LeaveAChannelRequest leaveAChannelRequest = new LeaveAChannelRequest(); // LeaveAChannelRequest | 
        try {
            Object result = api.leaveAChannel(channelUrl)
                .apiToken(apiToken)
                .leaveAChannelRequest(leaveAChannelRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#leaveAChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String apiToken = "{{API_TOKEN}}"; // String | 
        String token = "token_example"; // String | Specifies a page token that indicates the starting index of a chunk of results. If not specified, the index is set as 0.
        Integer limit = 10; // Integer | Specifies the number of results to return per page. Acceptable values are 1 to 100, inclusive. (Default: 10)
        String distinctMode = "all"; // String | 
        String publicMode = "all"; // String | 
        String superMode = "all"; // String | 
        Long createdAfter = 1234567890123L; // Long | Restricts the search scope to only retrieve group channels which have been created after the specified time, in Unix milliseconds format.
        Long createdBefore = 1234567890123L; // Long | Restricts the search scope to only retrieve group channels which have been created before the specified time, in Unix milliseconds format.
        Boolean showEmpty = false; // Boolean | 
        Boolean showMember = false; // Boolean | 
        Boolean showDeliveryReceipt = false; // Boolean | 
        Boolean showReadReceipt = false; // Boolean | 
        Boolean showMetadata = false; // Boolean | 
        Boolean showFrozen = false; // Boolean | 
        String order = "chronological"; // String | 
        String metadataOrderKey = "metadataOrderKey_example"; // String | Specifies the key of an item in metadata. When a value of the order parameter is set to metadata_value_alphabetical, the results are alphabetically sorted by the value of the item specified by the key.
        String customTypes = "customTypes_example"; // String | Specifies a comma-separated string of one or more custom types to filter group channels. URL encoding each type is recommended. If not specified, all channels are returned, regardless of their custom type.
        String customTypeStartswith = "customTypeStartswith_example"; // String | Searches for group channels with the custom type which starts with the specified value. URL encoding the value is recommended.
        String channelUrls = "channelUrls_example"; // String | Specifies a comma-separated string of one or more group channel URLs to restrict the search scope. URL encoding each channel URL is recommended.
        String name = "name_example"; // String | Specifies one or more group channel names.
        String nameContains = "nameContains_example"; // String | Searches for group channels whose names contain the specified value. Note that this parameter is case-insensitive. URL encoding the value is recommended.
        String nameStartswith = "nameStartswith_example"; // String | Searches for group channels whose names start with the specified value. Note that this parameter is case-insensitive. URL encoding the value is recommended.
        String membersExactlyIn = "membersExactlyIn_example"; // String | Searches for group channels with all the specified users as members. The parameter value should consist of user IDs separated by commas.  Only user IDs that match those of existing users are used for channel search. URL encoding each ID is recommended.
        String membersIncludeIn = "membersIncludeIn_example"; // String | Searches for group channels that include one or more users as members among the specified users. The value should consist of user IDs separated by commas or %2C. You can specify up to 60 user IDs.  Only user IDs that match those of existing users are used for channel search. URL encoding each ID is recommended.
        String queryType = "queryType_example"; // String | Specifies a logical condition applied to the members_include_in parameter. Acceptable values are either AND or OR. For example, if you specify three members, A, B, and C, in members_include_in, the value of AND returns all channels that include every one of {A. B, C} as members. The value of OR returns channels that include {A}, plus those that include {B}, plus those that include {C}. (Default: AND)
        String membersNickname = "membersNickname_example"; // String | Searches for group channels with members whose nicknames match the specified value. URL encoding the value is recommended.
        String membersNicknameContains = "membersNicknameContains_example"; // String | Searches for group channels with members whose nicknames contain the specified value. Note that this parameter is case-insensitive. URL encoding the value is recommended.  * We recommend using at least three characters for the parameter value for better search efficiency when you design and implement related features. If you would like to allow one or two characters for searching, use members_nickname instead to prevent performance issues.
        String metadataKey = "metadataKey_example"; // String | Searches for group channels with metadata containing an item with the specified value as its key. To use this parameter, either the metadata_values parameter or the metadata_value_startswith parameter should be specified.
        String metadataValues = "metadataValues_example"; // String | Searches for group channels with metadata containing an item with the key specified by the metadata_key parameter, and the value of that item matches one or more values specified by this parameter. The string should be specified with multiple values separated by commas. URL encoding each value is recommended. To use this parameter, the metadata_key parameter should be specified.
        String metadataValueStartswith = "metadataValueStartswith_example"; // String | Searches for group channels with metadata containing an item with the key specified by the metadata_key parameter, and the values of that item that start with the specified value of this parameter. URL encoding the value is recommended. To use this parameter, the metadata_key parameter should be specified.
        String metacounterKey = "metacounterKey_example"; // String | Searches for group channels with metacounter containing an item with the specified value as its key. To use this parameter, either the metacounter_values parameter or one of the metacounter_value_gt, metacounter_value_gte, metacounter_value_lt, and metacounter_value_lte parameters should be specified.
        String metacounterValues = "metacounterValues_example"; // String | Searches for group channels with metacounter containing an item with the key specified by the metadata_key parameter, where the value of that item is equal to one or more values specified by this parameter. The string should be specified with multiple values separated by commas. To use this parameter, the metacounter_key parameter should be specified.
        String metacounterValueGt = "metacounterValueGt_example"; // String | Searches for group channels with metacounter containing an item with the key specified by the metadata_key parameter, where the value of that item is greater than the value specified by this parameter. To use this parameter, the metacounter_key parameter should be specified.
        String metacounterValueGte = "metacounterValueGte_example"; // String | Searches for group channels with metacounter containing an item with the key specified by the metadata_key parameter, where the value of that item is greater than or equal to the value specified by this parameter. To use this parameter, the metacounter_key parameter should be specified.
        String metacounterValueLt = "metacounterValueLt_example"; // String | Searches for group channels with metacounter containing an item with the key specified by the metadata_key parameter, where the value of that item is lower than the value specified by this parameter. To use this parameter, the metacounter_key parameter should be specified.
        String metacounterValueLte = "metacounterValueLte_example"; // String | Searches for group channels with metacounter containing an item with the key specified by the metadata_key parameter, where the value of that item is lower than or equal to the value specified by this parameter. To use this parameter, the metacounter_key parameter should be specified.
        Boolean includeSortedMetaarrayInLastMessage = false; // Boolean | Determines whether to include the sorted_metaarray as one of the last_message’s properties in the response.
        try {
            GroupChatListChannelsResponse result = api.listChannels()
                .apiToken(apiToken)
                .token(token)
                .limit(limit)
                .distinctMode(distinctMode)
                .publicMode(publicMode)
                .superMode(superMode)
                .createdAfter(createdAfter)
                .createdBefore(createdBefore)
                .showEmpty(showEmpty)
                .showMember(showMember)
                .showDeliveryReceipt(showDeliveryReceipt)
                .showReadReceipt(showReadReceipt)
                .showMetadata(showMetadata)
                .showFrozen(showFrozen)
                .order(order)
                .metadataOrderKey(metadataOrderKey)
                .customTypes(customTypes)
                .customTypeStartswith(customTypeStartswith)
                .channelUrls(channelUrls)
                .name(name)
                .nameContains(nameContains)
                .nameStartswith(nameStartswith)
                .membersExactlyIn(membersExactlyIn)
                .membersIncludeIn(membersIncludeIn)
                .queryType(queryType)
                .membersNickname(membersNickname)
                .membersNicknameContains(membersNicknameContains)
                .metadataKey(metadataKey)
                .metadataValues(metadataValues)
                .metadataValueStartswith(metadataValueStartswith)
                .metacounterKey(metacounterKey)
                .metacounterValues(metacounterValues)
                .metacounterValueGt(metacounterValueGt)
                .metacounterValueGte(metacounterValueGte)
                .metacounterValueLt(metacounterValueLt)
                .metacounterValueLte(metacounterValueLte)
                .includeSortedMetaarrayInLastMessage(includeSortedMetaarrayInLastMessage)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#listChannels");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String token = "token_example"; // String | 
        Integer limit = 56; // Integer | Specifies the number of results to return per page. Acceptable values are 1 to 100, inclusive. (Default: 10)
        String userId = "userId_example"; // String | Specifies the unique ID of a user. If `user_id` is provided, the response will include two additional boolean properties about each user in the members list. - `is_blocking_me`: Indicates whether the listed user is blocking the user specified in the user_id parameter. - `is_blocked_by_me`: Indicates whether the listed user is blocked by the user specified in the user_id parameter.
        Boolean showDeliveryReceipt = true; // Boolean | 
        Boolean showReadReceipt = true; // Boolean | 
        Boolean showMemberIsMuted = true; // Boolean | 
        String order = "member_nickname_alphabetical"; // String | Specifies the method to sort a list of results. Acceptable values are the following: - `member_nickname_alphabetical` (default): sorts by the member nicknames in alphabetical order. - `operator_then_member_alphabetical`: sorts by the operational role and member nickname in alphabetical order where channel operators are listed before channel members.
        String operatorFilter = "all"; // String | Restricts the search scope to only retrieve operators or non-operator members of the channel. Acceptable values are the following: - `all` (default): no filter is applied to the list. - `operator`: only channel operators are retrieved. - `nonoperator`: all channel members, except channel operators, are retrieved.
        String memberStateFilter = "all"; // String | Restricts the search scope to retrieve members based on if they have accepted an invitation or if they were invited by a friend. Acceptable values are `invited_only`, `joined_only`, `invited_by_friend`, `invited_by_non_friend`, and `all`. (Default: `all`)
        String mutedMemberFilter = "all"; // String | Restricts the search scope to retrieve members who are muted or unmuted in the channel. Acceptable values are `all`, `muted`, and `unmuted`. (Default: `all`)
        String memberActiveModeFilter = "activated"; // String | Restricts the search scope to retrieve members who are activated or deactivated in the channel. Acceptable values are `all`, `activated`, and `deactivated`. (default: `activated`)
        String nicknameStartswith = "nicknameStartswith_example"; // String | Searches for members whose nicknames start with the specified value. Urlencoding the value is recommended.
        Boolean includePushPreference = true; // Boolean | Determines whether to include information about the push preference of each member, such as `push_enabled`, `push_trigger_option`, and `do_not_disturb`. (Default: `false`)
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            GroupChannelListMembersResponse result = api.listMembers(channelUrl)
                .token(token)
                .limit(limit)
                .userId(userId)
                .showDeliveryReceipt(showDeliveryReceipt)
                .showReadReceipt(showReadReceipt)
                .showMemberIsMuted(showMemberIsMuted)
                .order(order)
                .operatorFilter(operatorFilter)
                .memberStateFilter(memberStateFilter)
                .mutedMemberFilter(mutedMemberFilter)
                .memberActiveModeFilter(memberActiveModeFilter)
                .nicknameStartswith(nicknameStartswith)
                .includePushPreference(includePushPreference)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#listMembers");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String token = "token_example"; // String | 
        Integer limit = 56; // Integer | Specifies the number of results to return per page. Acceptable values are 1 to 100, inclusive. (Default: 10)
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            ListOperatorsResponse result = api.listOperators(channelUrl)
                .token(token)
                .limit(limit)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#listOperators");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        RegisterOperatorsToAGroupChannelRequest registerOperatorsToAGroupChannelRequest = new RegisterOperatorsToAGroupChannelRequest(); // RegisterOperatorsToAGroupChannelRequest | 
        try {
            Object result = api.registerOperatorsToAGroupChannel(channelUrl)
                .apiToken(apiToken)
                .registerOperatorsToAGroupChannelRequest(registerOperatorsToAGroupChannelRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#registerOperatorsToAGroupChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        ResetChatHistoryRequest resetChatHistoryRequest = new ResetChatHistoryRequest(); // ResetChatHistoryRequest | 
        try {
            ResetChatHistoryResponse result = api.resetChatHistory(channelUrl)
                .apiToken(apiToken)
                .resetChatHistoryRequest(resetChatHistoryRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#resetChatHistory");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        StartTypingIndicatorsRequest startTypingIndicatorsRequest = new StartTypingIndicatorsRequest(); // StartTypingIndicatorsRequest | 
        try {
            Object result = api.startTypingIndicators(channelUrl)
                .apiToken(apiToken)
                .startTypingIndicatorsRequest(startTypingIndicatorsRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#startTypingIndicators");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String apiToken = "{{API_TOKEN}}"; // String | 
        StartTypingIndicatorsRequest startTypingIndicatorsRequest = new StartTypingIndicatorsRequest(); // StartTypingIndicatorsRequest | 
        try {
            Object result = api.stopTypingIndicators(channelUrl)
                .apiToken(apiToken)
                .startTypingIndicatorsRequest(startTypingIndicatorsRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#stopTypingIndicators");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | (Required) 
        String userId = "userId_example"; // String | (Required) 
        Boolean shouldUnhideAll = true; // Boolean | 
        String apiToken = "{{API_TOKEN}}"; // String | 
        try {
            Object result = api.unhideAChannel(channelUrl)
                .userId(userId)
                .shouldUnhideAll(shouldUnhideAll)
                .apiToken(apiToken)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#unhideAChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}

// Import classes:
import org.sendbird.client.ApiClient;
import org.sendbird.client.ApiException;
import org.sendbird.client.Configuration;
import org.sendbird.client.model.*;
import org.sendbird.client.api.GroupChannelApi;

public class Example {
    public static void main(String[] args) {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        defaultClient.setBasePath("https://api-APP_ID.sendbird.com");

        GroupChannelApi apiInstance = new GroupChannelApi(defaultClient);
        String channelUrl = "channelUrl_example"; // String | 
        String apiToken = "{{API_TOKEN}}"; // String | 
        UpdateAGroupChannelRequest updateAGroupChannelRequest = new UpdateAGroupChannelRequest(); // UpdateAGroupChannelRequest | 
        try {
            SendbirdGroupChannelDetail result = api.updateAGroupChannel(channelUrl)
                .apiToken(apiToken)
                .updateAGroupChannelRequest(updateAGroupChannelRequest)
                .execute();
            System.out.println(result);
        } catch (ApiException e) {
            System.err.println("Exception when calling GroupChannelApi#updateAGroupChannel");
            System.err.println("Status code: " + e.getCode());
            System.err.println("Reason: " + e.getResponseBody());
            System.err.println("Response headers: " + e.getResponseHeaders());
            e.printStackTrace();
        }
    }
}