diff --git a/src/Connection.php b/src/Connection.php
index 5a53b5a2..e6db4a19 100755
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -750,6 +750,7 @@ public function transactionRollback(): void
         $this->rollBack();
     }
 
+    #[\Override]
     public function hasOpenTransactions(): bool
     {
         return $this->numberOfOpenTransactions > 0;
@@ -810,6 +811,7 @@ public function getTables(?string $prefix = null): array
      * @throws ConnectionException
      * @deprecated
      */
+    #[\Override]
     public function getColumnsOfTable(string $tableName): array
     {
         if (!$this->hasTable($tableName)) {
@@ -1298,6 +1300,7 @@ public function dbsafeString(mixed $input, bool $htmlSpecialChars = true, bool $
     /**
      * Method to flush the query-cache.
      */
+    #[\Override]
     public function flushQueryCache(): void
     {
         $this->queryCache = [];
@@ -1308,6 +1311,7 @@ public function flushQueryCache(): void
      * Since the tables won't change during regular operations,
      * flushing the tables cache is only required during package updates / installations.
      */
+    #[\Override]
     public function flushTablesCache(): void
     {
         $this->tablesCache = [];
@@ -1319,6 +1323,7 @@ public function flushTablesCache(): void
      *
      * @throws ConnectionException
      */
+    #[\Override]
     public function flushPreparedStatementsCache(): void
     {
         if (!$this->connected) {
@@ -1375,6 +1380,7 @@ public function isConnected(): bool
      * method unifies the behaviour. In order to select a column, which contains a backslash you need to escape the value
      * with this method.
      */
+    #[\Override]
     public function escape(mixed $value): mixed
     {
         return $this->dbDriver->escape($value);
diff --git a/src/ConnectionInterface.php b/src/ConnectionInterface.php
index ae8ed8e2..44c5ef92 100755
--- a/src/ConnectionInterface.php
+++ b/src/ConnectionInterface.php
@@ -377,4 +377,19 @@ public function getJsonColumnExpression(string $column, string $key): string;
      * @return string The generated SQL snippet.
      */
     public function getNthLastElementFromSlug(string $column, int $position): string;
+
+    public function flushQueryCache(): void;
+
+    public function flushTablesCache(): void;
+
+    public function flushPreparedStatementsCache(): void;
+
+    /**
+     * @return array<string,array{columnName:string,columnType:DataType}>
+     */
+    public function getColumnsOfTable(string $tableName): array;
+
+    public function escape(mixed $value): mixed;
+
+    public function hasOpenTransactions(): bool;
 }
diff --git a/src/MockConnection.php b/src/MockConnection.php
index 12adb616..95015445 100644
--- a/src/MockConnection.php
+++ b/src/MockConnection.php
@@ -419,4 +419,37 @@ public function getNthLastElementFromSlug(string $column, int $position): string
     {
         return '';
     }
+
+    #[Override]
+    public function flushQueryCache(): void
+    {
+    }
+
+    #[Override]
+    public function flushTablesCache(): void
+    {
+    }
+
+    #[Override]
+    public function flushPreparedStatementsCache(): void
+    {
+    }
+
+    #[Override]
+    public function getColumnsOfTable(string $tableName): array
+    {
+        return [];
+    }
+
+    #[Override]
+    public function escape(mixed $value): mixed
+    {
+        return $value;
+    }
+
+    #[Override]
+    public function hasOpenTransactions(): bool
+    {
+        return false;
+    }
 }