From 2cb5d6b0df3c004a7a49dff168ab05645608443d Mon Sep 17 00:00:00 2001
From: Brett McBride <brett@deakin.edu.au>
Date: Wed, 7 Sep 2022 22:42:38 +1000
Subject: [PATCH] ignore phpstan false positive (#813)

---
 src/SDK/Metrics/MetricObserver/MultiObserver.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDK/Metrics/MetricObserver/MultiObserver.php b/src/SDK/Metrics/MetricObserver/MultiObserver.php
index 0cb007f02..eca009adf 100644
--- a/src/SDK/Metrics/MetricObserver/MultiObserver.php
+++ b/src/SDK/Metrics/MetricObserver/MultiObserver.php
@@ -25,7 +25,7 @@ final class MultiObserver implements MetricObserverInterface
     public function __invoke(ObserverInterface $observer): void
     {
         foreach ($this->callbacks as $token => $callback) {
-            if (isset($this->callbacks[$token])) {
+            if (isset($this->callbacks[$token])) { //@phpstan-ignore-line callbacks can be unregistered during collection
                 $callback($observer);
             }
         }