inline TCollection_DataMapNode::TCollection_DataMapNode(const TheKey& K, const TheItem& I,const TCollection_MapNodePtr& n) 
: TCollection_MapNode(n),myKey(K)
{
  myValue = I;
}

inline TheKey& TCollection_DataMapNode::Key() const
{
  return (TheKey&)myKey;
}

inline TheItem& TCollection_DataMapNode::Value() const
{
  return (TheItem&)myValue;
}