final Resource resource = context.readResource(PathAddress.EMPTY_ADDRESS);
final ModelNode model = resource.getModel();
// Validate the operation
final ModelNode relativeToOnly = RELATIVE_TO_ONLY.validateOperation(operation);
final boolean resolveRelativeToOnly = relativeToOnly.asBoolean(false);
// Resolve the model values
final ModelNode file = (parentAttribute != null ? parentAttribute.resolveModelAttribute(context, model) : model);
final ModelNode relativeTo = relativeToAttribute.resolveModelAttribute(context, file);
final ModelNode path = pathAttribute.resolveModelAttribute(context, file);