37     Relation(std::string pObjectTypeA, std::string pObjectTypeB);
    63     std::string 
getOtherType(
const std::string& pFirstType) 
const;
 
std::string getObjectTypeB() const 
std::string getOtherType(const std::string &pFirstType) const 
bool containsObject(const std::string &pType) const 
Relation(std::string pObjectTypeA, std::string pObjectTypeB)
std::string getObjectTypeA() const