<?php declare(strict_types=1);

namespace Neomerx\Cors\Contracts\Constants;

/**
 * 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.
 */

/**
 * Note: Header names must be lower-cased (it allows optimize their comparison).
 *
 * @package Neomerx\Cors
 *
 * @see     http://www.w3.org/TR/cors/#terminology
 */
interface SimpleRequestHeaders
{
    /**
     * Header name
     */
    const LC_ACCEPT = 'accept';

    /**
     * Header name
     */
    const LC_ACCEPT_LANGUAGE = 'accept-language';

    /**
     * Header name
     */
    const LC_CONTENT_LANGUAGE = 'content-language';
}
