InterfaceDeclaration controlIntf = getMostDerivedControlInterface( controlIntfOrExt );
assert controlIntf != null : "Can't find most derived control intf for=" + controlIntfOrExt;
ControlInterface annot = controlIntf.getAnnotation(ControlInterface.class);
String defBinding = annot.defaultBinding();
defBinding = ControlBeanContext.resolveDefaultBinding( defBinding, controlIntf.getQualifiedName() );
mf.addControlType( controlIntfOrExt.getQualifiedName(), defBinding );
}