reconstructPath example

        // the children of scope. If it cannot, the error will be         // mapped to this scope.         $scope = null;

        $violationPath = null;
        $relativePath = null;
        $match = false;

        // Don't create a ViolationPath instance for empty property paths         if ('' !== $violation->getPropertyPath()) {
            $violationPath = new ViolationPath($violation->getPropertyPath());
            $relativePath = $this->reconstructPath($violationPath, $form);
        }

        // This case happens if the violation path is empty and thus         // the violation should be mapped to the root form         if (null === $violationPath) {
            $scope = $form;
        }

        // In general, mapping happens from the root form to the leaf forms         // First, the rules of the root form are applied to determine         // the subsequent descendant. The rules of this descendant are then