int createGInputPort(int portType, int posinBox,GBoxModel *blackBox, BlackBoxInputDescriptor *desc);
int createGOutputPort(int portType, int posinBox,GBoxModel *blackBox, BlackBoxOutputDescriptor *desc);
int createGConnector(GPortModel* startPort);
int createGInputPort(int portType, int posinBox,GBoxModel *blackBox, BlackBoxInputDescriptor *desc);
int createGOutputPort(int portType, int posinBox,GBoxModel *blackBox, BlackBoxOutputDescriptor *desc);
int createGConnector(GPortModel* startPort);