diff --git a/lib/components/debug-logs-context.js b/lib/components/debug-logs-context.js
--- a/lib/components/debug-logs-context.js
+++ b/lib/components/debug-logs-context.js
@@ -25,15 +25,17 @@
 
 const defaultLogsFilter: $ReadOnlySet<LogType> = new Set([logTypes.ERROR]);
 
+export type AddLogCallback = (
+  title: string,
+  message: string,
+  logTypes: $ReadOnlySet<LogType>,
+) => mixed;
+
 export type DebugLogsContextType = {
   +logs: $ReadOnlyArray<DebugLog>,
   +logsFilter: $ReadOnlySet<LogType>,
   +errorLogsCount: number,
-  +addLog: (
-    title: string,
-    message: string,
-    logTypes: $ReadOnlySet<LogType>,
-  ) => mixed,
+  +addLog: AddLogCallback,
   +clearLogs: () => mixed,
   +setFilter: (logType: LogType, value: boolean) => mixed,
 };
diff --git a/lib/tunnelbroker/peer-to-peer-context.js b/lib/tunnelbroker/peer-to-peer-context.js
--- a/lib/tunnelbroker/peer-to-peer-context.js
+++ b/lib/tunnelbroker/peer-to-peer-context.js
@@ -9,7 +9,7 @@
   useTunnelbroker,
 } from './tunnelbroker-context.js';
 import {
-  type LogType,
+  type AddLogCallback,
   logTypes,
   type OlmDebugLog,
   useDebugLogs,
@@ -75,11 +75,7 @@
 async function createMissingSession(
   userDevicesWithoutSession: { [userID: string]: Array<string> },
   peerOlmSessionsCreator: CreateOlmSessionsWithUser,
-  addLog: (
-    title: string,
-    message: string,
-    logTypes: $ReadOnlySet<LogType>,
-  ) => mixed,
+  addLog: AddLogCallback,
 ): Promise<void> {
   const creatingSessionPromises = entries(userDevicesWithoutSession).map(
     async ([userID, devices]) => {
@@ -132,11 +128,7 @@
   peerOlmSessionsCreator: CreateOlmSessionsWithUser,
   messageIDs: ?$ReadOnlyArray<string>,
   allPeerDevices: $ReadOnlySet<string>,
-  addLog: (
-    title: string,
-    message: string,
-    logTypes: $ReadOnlySet<LogType>,
-  ) => mixed,
+  addLog: AddLogCallback,
   olmDebugLog: (olmLog: OlmDebugLog) => mixed,
 ): Promise<ProcessOutboundP2PMessagesResult> {
   let authMetadata;