From d3bbbd893acd500237ab4e1778c6a2e0fe1948a9 Mon Sep 17 00:00:00 2001
From: David Vacca <dvacca@meta.com>
Date: Sat, 9 Aug 2025 04:39:35 -0700
Subject: [PATCH] Deprecate com/facebook/react Legacy Architecture classes
 (#53104)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53104

Deprecate com/facebook/react Legacy Architecture classes

changelog: [Android][Changed] Depreacate CoreModulesPackage and NativeModuleRegistryBuilder legacy architecture classes, these classes unused in the new architecture and will be deleted in the future

Reviewed By: shwanton

Differential Revision: D79676942

fbshipit-source-id: a2c447bee251fdac79d3dc81a17851eaf5271413
---
 .../src/main/java/com/facebook/react/CoreModulesPackage.kt   | 5 ++++-
 .../java/com/facebook/react/NativeModuleRegistryBuilder.kt   | 3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/CoreModulesPackage.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/CoreModulesPackage.kt
index 8df96a053c6..29f02c66452 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/CoreModulesPackage.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/CoreModulesPackage.kt
@@ -37,6 +37,7 @@ import com.facebook.systrace.Systrace
 /**
  * This is the basic module to support React Native. The debug modules are now in DebugCorePackage.
  */
+@Suppress("DEPRECATION")
 @ReactModuleList(
     // WARNING: If you modify this list, ensure that the list below in method
     // getReactModuleInfoByInitialization is also updated
@@ -54,7 +55,9 @@ import com.facebook.systrace.Systrace
             TimingModule::class,
             com.facebook.react.uimanager.UIManagerModule::class])
 @LegacyArchitecture(logLevel = LegacyArchitectureLogLevel.ERROR)
-@Suppress("DEPRECATION")
+@Deprecated(
+    message = "This class is part of Legacy Architecture and will be removed in a future release",
+    level = DeprecationLevel.WARNING)
 internal class CoreModulesPackage(
     private val reactInstanceManager: ReactInstanceManager,
     private val hardwareBackBtnHandler: DefaultHardwareBackBtnHandler,
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/NativeModuleRegistryBuilder.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/NativeModuleRegistryBuilder.kt
index 04b4d1463c1..a3593875084 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/NativeModuleRegistryBuilder.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/NativeModuleRegistryBuilder.kt
@@ -18,6 +18,9 @@ import com.facebook.react.common.annotations.internal.LegacyArchitectureLogger
 
 /** Helper class to build NativeModuleRegistry. */
 @LegacyArchitecture(logLevel = LegacyArchitectureLogLevel.ERROR)
+@Deprecated(
+    message = "This class is part of Legacy Architecture and will be removed in a future release",
+    level = DeprecationLevel.WARNING)
 public class NativeModuleRegistryBuilder(
     private val reactApplicationContext: ReactApplicationContext,
 ) {