template<class Key1, class Key2, class Key3, class Key4, class Data, class Hash1 = SH_STD_HASH(Key1), class Hash2 = SH_STD_HASH(Key2), class Hash3 = SH_STD_HASH(Key3), class Hash4 = SH_STD_HASH(Key4)>
class SH::ShPairPairHashMap< Key1, Key2, Key3, Key4, Data, Hash1, Hash2, Hash3, Hash4 >