From a63031089a7d24b0901c38d750b196e53320dc70 Mon Sep 17 00:00:00 2001
From: Edmond Chui <1967998+EdmondChuiHW@users.noreply.github.com>
Date: Thu, 14 Mar 2024 16:21:52 +0000
Subject: [PATCH 1/2] rm interface from RNPerfMetrics

---
 front_end/core/host/RNPerfMetrics.ts | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/front_end/core/host/RNPerfMetrics.ts b/front_end/core/host/RNPerfMetrics.ts
index 104997934ab..f2f60f57bf1 100644
--- a/front_end/core/host/RNPerfMetrics.ts
+++ b/front_end/core/host/RNPerfMetrics.ts
@@ -5,26 +5,20 @@
 
 export type RNReliabilityEventListener = (event: ReactNativeChromeDevToolsEvent) => void;
 
-type UnsunscribeFn = () => void;
-export type RNPerfMetrics = {
-  addEventListener: (listener: RNReliabilityEventListener) => UnsunscribeFn,
-  removeAllEventListeners: () => void,
-  sendEvent: (event: ReactNativeChromeDevToolsEvent) => void,
-};
-
 let instance: RNPerfMetrics|null = null;
 
 export function getInstance(): RNPerfMetrics {
   if (instance === null) {
-    instance = new RNPerfMetricsImpl();
+    instance = new RNPerfMetrics();
   }
   return instance;
 }
 
-class RNPerfMetricsImpl implements RNPerfMetrics {
+type UnsunscribeFn = () => void;
+class RNPerfMetrics {
   #listeners: Set<RNReliabilityEventListener> = new Set();
 
-  addEventListener(listener: RNReliabilityEventListener): () => void {
+  addEventListener(listener: RNReliabilityEventListener): UnsunscribeFn {
     this.#listeners.add(listener);
 
     const unsubscribe = (): void => {

From 635a2bb06defb8f0152d319ee0e71a54e3e04e65 Mon Sep 17 00:00:00 2001
From: Edmond Chui <1967998+EdmondChuiHW@users.noreply.github.com>
Date: Fri, 22 Mar 2024 15:55:39 +0000
Subject: [PATCH 2/2] Fix typo in RNPerfMetrics.ts

---
 front_end/core/host/RNPerfMetrics.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/front_end/core/host/RNPerfMetrics.ts b/front_end/core/host/RNPerfMetrics.ts
index f2f60f57bf1..cc78ad02400 100644
--- a/front_end/core/host/RNPerfMetrics.ts
+++ b/front_end/core/host/RNPerfMetrics.ts
@@ -14,11 +14,11 @@ export function getInstance(): RNPerfMetrics {
   return instance;
 }
 
-type UnsunscribeFn = () => void;
+type UnsubscribeFn = () => void;
 class RNPerfMetrics {
   #listeners: Set<RNReliabilityEventListener> = new Set();
 
-  addEventListener(listener: RNReliabilityEventListener): UnsunscribeFn {
+  addEventListener(listener: RNReliabilityEventListener): UnsubscribeFn {
     this.#listeners.add(listener);
 
     const unsubscribe = (): void => {