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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Utility - Collection of various PHP utility functions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Eric Sizemore <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version   2.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright (C) 2017 - 2024 Eric Sizemore  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   The MIT License (MIT)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright (C) 2017 - 2024 Eric Sizemore <https://www.secondversion.com>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Permission is hereby granted, free of charge, to any person obtaining a copy  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * of this software and associated documentation files (the "Software"), to  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * deal in the Software without restriction, including without limitation the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * sell copies of the Software, and to permit persons to whom the Software is  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * furnished to do so, subject to the following conditions:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The above copyright notice and this permission notice shall be included in  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * all copies or substantial portions of the Software.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * THE SOFTWARE.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Esi\Utility\Enums\Http is a fork of Crell/EnumTools (https://github.com/Crell/EnumTools)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * which is also licensed under the MIT license.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *      Crell/EnumTools Copyright 2021 Larry Garfield<[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For changes made in Esi\Utility\Enums\Http compared to the original Crell/EnumTools, see CHANGELOG.md#2.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Esi\Utility\Enums\Http;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Enum of all official HTTP methods as registered with IANA.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @see http://www.iana.org/assignments/http-methods/http-methods.xhtml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since 2.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                enum Methods: string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3744, Section 8.1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case ACL = 'ACL';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 12.6  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case BASELINE_CONTROL = 'BASELINE-CONTROL';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC5842, Section 5842, Section 4  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case BIND = 'BIND';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 4.4, Section 9.4  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case CHECKIN = 'CHECKIN';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 4.3, Section 8.8  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case CHECKOUT = 'CHECKOUT';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC7231, Section 4.3.9  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case CONNECT = 'CONNECT';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC4918, Section 9.8  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case COPY = 'COPY';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC7231, Section 4.3.5  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case DELETE = 'DELETE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC7231, Section 4.3.1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case GET = 'GET';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC7231, Section 4.3.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case HEAD = 'HEAD';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 8.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case LABEL = 'LABEL';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC2068, Section 19.6.1.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case LINK = 'LINK';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC4918, Section 9.10  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case LOCK = 'LOCK';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 11.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MERGE = 'MERGE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 13.5  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MKACTIVITY = 'MKACTIVITY';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC4791, Section 5.3.1.  RFC8144, Section 2.3.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MKCALENDAR = 'MKCALENDAR';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC4918, Section 9.3.  RFC5689, Section 3.  RFC8144, Section 2.3.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MKCOL = 'MKCOL';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC4437, Section 6  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MKREDIRECTREF = 'MKREDIRECTREF';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC3253, Section 6.3  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MKWORKSPACE = 'MKWORKSPACE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC4918, Section 9.9  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case MOVE = 'MOVE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC7231, Section 4.3.7  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case OPTIONS = 'OPTIONS';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    94
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                    // RFC3648, Section 7  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case ORDERPATCH = 'ORDERPATCH';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC5789, Section 2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case PATCH = 'PATCH';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // RFC7231, Section 4.3.3  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    99
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                    case POST = 'POST';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    100
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                    // RFC7540, Section 3.5  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case PRI = 'PRI';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    102
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                    // RFC4918, Section 9.1.  RFC8144, Section 2.1.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    case PROPFIND = 'PROPFIND';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    104
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                    // RFC4918, Section 9.2.  RFC8144, Section 2.2.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    105
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                    case PROPPATCH = 'PROPPATCH';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    106
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                    // RFC7231, Section 4.3.4  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    107
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                    case PUT = 'PUT';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    108
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                    // RFC5842, Section 6  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    109
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                    case REBIND = 'REBIND';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    110
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                    // // RFC3253, Section 3.6.  RFC8144, Section 2.1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    111
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                    case REPORT = 'REPORT';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    112
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                    // RFC5323, Section 2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    113
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                    case SEARCH = 'SEARCH';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    114
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                    // RFC7231, Section 4.3.8  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    115
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                    case TRACE = 'TRACE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    116
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                    // RFC5842, Section 5  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    117
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                    case UNBIND = 'UNBIND';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    118
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                    // RFC3253, Section 4.5  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    119
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                    case UNCHECKOUT = 'UNCHECKOUT';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    120
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                    // RFC2068, Section 19.6.1.3  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    121
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                    case UNLINK = 'UNLINK';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    122
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                    // RFC4918, Section 9.11  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    123
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                    case UNLOCK = 'UNLOCK';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    124
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                    // RFC3253, Section 7.1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    125
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                    case UPDATE = 'UPDATE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    126
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                    // RFC4437, Section 7  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    127
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                    case UPDATEREDIRECTREF = 'UPDATEREDIRECTREF';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
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                    // RFC3253, Section 3.5  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
                                                     | 
                
                 | 
                    case VERSION_CONTROL = 'VERSION-CONTROL';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                    // These are quasi-official, as they're defined by the HTCPCP RFC.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                    case BREW = 'BREW';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                    case WHEN = 'WHEN';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the value of a given case.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                     *  eg: Methods::UNCHECKOUT->getValue() // UNCHECKOUT  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                     * @return string Value  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                             3                          | 
                
                 | 
                    public function getValue(): string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                             3                          | 
                
                 | 
                        return $this->value;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the name of a given case.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                     *  eg: Methods::UNCHECKOUT->getName() // UNCHECKOUT  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                     * @return string Case name  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                             2                          | 
                
                 | 
                    public function getName(): string  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                             2                          | 
                
                 | 
                        return $this->name;  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                     * Determines if this method is considered safe.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                     * A safe method is one that does not have user-affecting side-effects  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                     * other than information retrieval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                     * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                             1                          | 
                
                 | 
                    public function isSafe(): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                             1                          | 
                
                 | 
                        return match ($this) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                             1                          | 
                
                 | 
                            self::GET, self::HEAD, self::OPTIONS, self::PRI, self::PROPFIND, self::REPORT, self::SEARCH, self::TRACE => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                             1                          | 
                
                 | 
                            default => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                             1                          | 
                
                 | 
                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                     * Determines if this method is idempotent.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                     * A method is idempotent if issuing the same command multiple times  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                     * will result in the same end condition each time.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                     * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                             1                          | 
                
                 | 
                    public function isIdempotent(): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                             1                          | 
                
                 | 
                        return match ($this) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                             1                          | 
                
                 | 
                            self::CONNECT, self::LOCK, self::PATCH, self::POST => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                             1                          | 
                
                 | 
                            default => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                             1                          | 
                
                 | 
                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                 |