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./othercms/croogo-4.0.7/vendor/neomerx/json-api/src/Contracts/Parser/DocumentDataInterface.php
<?php declare(strict_types=1);

namespace
Neomerx\JsonApi\Contracts\Parser;

/**
 * Copyright 2015-2019 info@neomerx.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @package Neomerx\JsonApi
 */
interface DocumentDataInterface extends ParsedResultInterface
{
   
/**
     * If data is a collection.
     *
     * @return bool
     */
   
public function isCollection(): bool;

   
/**
     * If data is null.
     *
     * @return bool
     */
   
public function isNull(): bool;
}