checkNodePath(node, action);
            RuleBinder binder = bindInternal(action.getSubject(), role, action);
            node.addRegistrationActionBinder(binder);
        }
    }

    @Override
    public DefaultModelRegistry configure(ModelActionRole role, ModelAction action) {
        bindInternal(action.getSubject(), role, action);
        return this;
    }

    @Override

	}
	return perr
}

// findInternal looks for the final "internal" path element in the given import path.
// If there isn't one, findInternal returns ok=false.
// Otherwise, findInternal returns ok=true and the index of the "internal".
func findInternal(path string) (index int, ok bool) {
	// Three cases, depending on internal at start/end of string or not.