From 1bf78ac7c468b9b104e776577a7137d7de23d27b Mon Sep 17 00:00:00 2001
From: Half-Shot <will@half-shot.uk>
Date: Tue, 6 Jan 2026 14:05:04 +0000
Subject: [PATCH] use as

---
 .../src/testcontainers/synapse.ts                         | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/element-web-playwright-common/src/testcontainers/synapse.ts b/packages/element-web-playwright-common/src/testcontainers/synapse.ts
index 55ef890f7d..efcae3ef88 100644
--- a/packages/element-web-playwright-common/src/testcontainers/synapse.ts
+++ b/packages/element-web-playwright-common/src/testcontainers/synapse.ts
@@ -176,9 +176,11 @@ const DEFAULT_CONFIG = {
          */
         msc4143_enabled: false,
     },
-    matrix_rtc: {
-        transports: Array<{ type: string; [field: string]: string }>,
-    },
+    matrix_rtc: undefined as
+        | undefined
+        | {
+              transports: Array<{ type: string; [field: string]: string }>;
+          },
     oidc_providers: [],
     serve_server_wellknown: true,
     presence: {