the middle of the idiots

qwen/php/vendor/psr/http-server-middleware/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2016 PHP Framework Interoperability Group
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

qwen/php/vendor/psr/http-server-middleware/README.md

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+HTTP Server Middleware
+==============
+
+This repository holds the `MiddlewareInterface` related to [PSR-15 (HTTP Server Request Handlers)][psr-url].
+
+Note that this is not a Middleware implementation of its own. It is merely the interface that describe a Middleware.
+
+The installable [package][package-url] and [implementations][implementation-url] are listed on Packagist.
+
+[psr-url]: https://www.php-fig.org/psr/psr-15/
+[package-url]: https://packagist.org/packages/psr/http-server-middleware
+[implementation-url]: https://packagist.org/providers/psr/http-server-middleware-implementation

qwen/php/vendor/psr/http-server-middleware/composer.json

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+{
+    "name": "psr/http-server-middleware",
+    "description": "Common interface for HTTP server-side middleware",
+    "keywords": [
+        "psr",
+        "psr-7",
+        "psr-15",
+        "http-interop",
+        "http",
+        "middleware",
+        "request",
+        "response"
+    ],
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "PHP-FIG",
+            "homepage": "https://www.php-fig.org/"
+        }
+    ],
+    "require": {
+        "php": ">=7.0",
+        "psr/http-message": "^1.0 || ^2.0",
+        "psr/http-server-handler": "^1.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Psr\\Http\\Server\\": "src/"
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    }
+}

qwen/php/vendor/psr/http-server-middleware/src/MiddlewareInterface.php

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+<?php
+
+namespace Psr\Http\Server;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+
+/**
+ * Participant in processing a server request and response.
+ *
+ * An HTTP middleware component participates in processing an HTTP message:
+ * by acting on the request, generating the response, or forwarding the
+ * request to a subsequent middleware and possibly acting on its response.
+ */
+interface MiddlewareInterface
+{
+    /**
+     * Process an incoming server request.
+     *
+     * Processes an incoming server request in order to produce a response.
+     * If unable to produce the response itself, it may delegate to the provided
+     * request handler to do so.
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface;
+}