暂存

vendor/illuminate/contracts/Database/ConcurrencyErrorDetector.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Illuminate\Contracts\Database;
+
+use Throwable;
+
+interface ConcurrencyErrorDetector
+{
+    /**
+     * Determine if the given exception was caused by a concurrency error such as a deadlock or serialization failure.
+     *
+     * @param  \Throwable  $e
+     * @return bool
+     */
+    public function causedByConcurrencyError(Throwable $e): bool;
+}