Method find

Source/Utils/json.hpp:16517–16527

        }

        iterator find(const Key& key)
        {
            for (auto it = this->begin(); it != this->end(); ++it)
            {
                if (it->first == key)
                {
                    return it;
                }
            }
            return Container::end();
        }

        const_iterator find(const Key& key) const
        {