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system/Exceptions/ExceptionInterface.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Provides a domain-level interface for broad capture
+ * of all framework-related exceptions.
+ *
+ * catch (\CodeIgniter\Exceptions\ExceptionInterface) { ... }
+ */
+interface ExceptionInterface
+{
+}