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vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/ServerInfoAwareConnection.php

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+<?php
+
+namespace Doctrine\DBAL\Driver;
+
+/**
+ * Contract for a connection that is able to provide information about the server it is connected to.
+ */
+interface ServerInfoAwareConnection
+{
+    /**
+     * Returns the version number of the database server connected to.
+     *
+     * @return string
+     */
+    public function getServerVersion();
+
+    /**
+     * Checks whether a query is required to retrieve the database server version.
+     *
+     * @return bool True if a query is required to retrieve the database server version, false otherwise.
+     */
+    public function requiresQueryForServerVersion();
+}