new appraoch

pancake/system/vendor/league/csv/src/UnavailableFeature.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Throwable;
+
+/**
+ * StreamFilterSupportMissing Exception.
+ */
+class UnavailableFeature extends Exception
+{
+    /**
+     * DEPRECATION WARNING! This class will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     */
+    public function __construct(string $message = '', int $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    public static function dueToUnsupportedStreamFilterApi(string $className): self
+    {
+        return new self('The stream filter API can not be used with a '.$className.' instance.');
+    }
+
+    public static function dueToMissingStreamSeekability(): self
+    {
+        return new self('stream does not support seeking');
+    }
+}