question: private ClassVertex resolveClassVertex ( ClassDescriptor classDescriptor ) throws ClassNotFoundException { ClassVertex typeVertex = optionallyResolveClassVertex ( classDescriptor ) ; if ( ! typeVertex . isResolved ( ) ) { ClassDescriptor . throwClassNotFoundException ( classDescriptor ) ; } assert typeVertex . isResolved ( ) ; return typeVertex ; }
target:  Resolve a class named by given ClassDescriptor and return its resolved ClassVertex.