public function getMembersByNickname($groupUsername, $memberNickname, $blur = false)
    {
        $group = $this->get($groupUsername);

        if (!$group) {
            return false;
        }

        $result = [];

        foreach ($group['MemberList'] as $member) {
            if ($blur && str_contains($member['NickName'], $memberNickname)) {
                $result[] = $member;
            } elseif (!$blur && $member['NickName'] === $memberNickname) {
                $result[] = $member;
            }
        }

        return $result;
    }