Fix #4007

app/TransactionRules/Engine/RuleEngineInterface.php

@@ -55,6 +55,7 @@ interface RuleEngineInterface
      * @param User $user
      */
     public function setUser(User $user): void;
+
     /**
      * Add rules for the engine to execute.
      *
@@ -86,4 +87,11 @@ interface RuleEngineInterface
      */
     public function find(): Collection;
 
+    /**
+     * Return the number of changed transactions from the previous "fire" action.
+     *
+     * @return int
+     */
+    public function getResults(): int;
+
 }