All of types injected to port meets this port's type qualifier requirements.
None of types injected to port meets this port's type qualifier requirements.
No knowledge was provided to port.
Some (but not all) of types injected to port meets this port's type qualifier requirements.
Represents degree of accordance of given DKnowledge with an input port of some operation. DKnowledge tells about objects that can be potentially put into a port. This port has a type qualifier. Thus, we can consider following cases: * all types of objects in DKnowledge can be put into port * not all, but some types of objects can be put into port * none of types can be put into port * DKnowledge was not provided for the port In each of this cases different errors and warnings can be returned.