public im.turms.server.common.access.client.dto.constant.DeviceType getUsingDeviceTypes(
                int index) {
            return usingDeviceTypes_converter_.convert(usingDeviceTypes_.getInt(index));
        }
<code>repeated .im.turms.proto.DeviceType using_device_types = 8;</code>

@param index The index of the element to return.
@return The usingDeviceTypes at the given index.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/group/GroupMember.java