使用Unity旧版本使用hotReload在开始的时候提示 PlayerSettings.suppressCommonWarnings； 找不到

Unity Hot Reload 旧版本的报错

使用Unity旧版本使用hotReload在开始的时候提示

   PlayerSettings.suppressCommonWarnings; 找不到
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按照下面的方式修改完毕后可以正常使用
在添加热更新之前请备份。

代码片段：

        public async Task Sync() {
            await ThreadUtility.SwitchToThreadPool();
            var config = LoadConfig();
            if (config.useBuiltInProjectGeneration) {
                return;
            }
            
            await ThreadUtility.SwitchToMainThread();
            await gate.WaitAsync();
            try {
                //Cache all data that is accessed via unity API on the unity main thread.
                m_AllAssetPaths = AssetDatabase.GetAllAssetPaths();
                m_ProjectSupportedExtensions = EditorSettings.projectGenerationUserExtensions;
                m_EngineAssemblyPath = InternalEditorUtility.GetEngineAssemblyPath();
                m_EditorAssemblyPath = InternalEditorUtility.GetEditorAssemblyPath();
                m_FallbackRootNamespace = EditorSettings.projectGenerationRootNamespace;
                m_SuppressCommonWarnings = 
                 #if UNITY_2020_1_OR_NEWER
                     PlayerSettings.suppressCommonWarnings;
                #else
                      false;
                #endif

                //Do the remaining work on a separate thread
                await Task.WhenAll(
                    BuildPackageInfoCache(),
                    BuildEditorAssemblies(),
                    BuildPostProcessors()
                );
                await GenerateAndWriteSolutionAndProjects(config);
            } finally {
                gate.Release();
            }
        }

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在旧的IDE中会提示PlayerSettings.suppressCommonWarnings;找不到，
修改方式是，注释宏命令，将m_SuppressCommonWarnings设置为false

        public async Task Sync() {
            await ThreadUtility.SwitchToThreadPool();
            var config = LoadConfig();
            if (config.useBuiltInProjectGeneration) {
                return;
            }
            
            await ThreadUtility.SwitchToMainThread();
            await gate.WaitAsync();
            try {
                //Cache all data that is accessed via unity API on the unity main thread.
                m_AllAssetPaths = AssetDatabase.GetAllAssetPaths();
                m_ProjectSupportedExtensions = EditorSettings.projectGenerationUserExtensions;
                m_EngineAssemblyPath = InternalEditorUtility.GetEngineAssemblyPath();
                m_EditorAssemblyPath = InternalEditorUtility.GetEditorAssemblyPath();
                m_FallbackRootNamespace = EditorSettings.projectGenerationRootNamespace;
                m_SuppressCommonWarnings = false;
               //  #if UNITY_2020_1_OR_NEWER
               //      PlayerSettings.suppressCommonWarnings;
               // #else
               //       false;
              //#endif

                //Do the remaining work on a separate thread
                await Task.WhenAll(
                    BuildPackageInfoCache(),
                    BuildEditorAssemblies(),
                    BuildPostProcessors()
                );
                await GenerateAndWriteSolutionAndProjects(config);
            } finally {
                gate.Release();
            }
        }

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