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<map>

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<map>

namespace std {
template<class Key, class T, class Pred, class A>
    class map;
template<class Key, class T, class Pred, class A>
    class multimap;
//    TEMPLATE FUNCTIONS
template<class Key, class T, class Pred, class A>
    bool operator==(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator==(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator!=(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator!=(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator<(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator<(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator>(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator>(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator<=(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator<=(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator>=(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    bool operator>=(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    void swap(
        const map<Key, T, Pred, A>& lhs,
        const map<Key, T, Pred, A>& rhs);
template<class Key, class T, class Pred, class A>
    void swap(
        const multimap<Key, T, Pred, A>& lhs,
        const multimap<Key, T, Pred, A>& rhs);
    };

Include the STL standard header <map> to define the container template classes map and multimap, and their supporting templates.