<?php namespace Xentral\Modules\SystemTemplates\Validator; interface SystemTemplateValidatorInterface { /** @param string|null $methodName */ public function isValid($methodName = null); public function getErrors(); public function setData($data); public function validateDefault(); public function setMandatoryFieldName($fieldName); public function addError($error); public function getData(); public function applyRules($ruleMethod = null); }