| 123456789101112131415161718192021222324 | <Project>  <PropertyGroup>    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>  </PropertyGroup>  <Target Name="UpdateAppSettings" AfterTargets="Build;Publish"          Condition=" '$(UpdateAppSettings)' == 'true' and Exists('$(MSBuildProjectDirectory)\appsettings.json') ">    <PropertyGroup>      <AppSettingsInputFile>$(MSBuildProjectDirectory)\appsettings.json</AppSettingsInputFile>      <AppSettingsOriginalString>"InstrumentationKey": ""</AppSettingsOriginalString>      <AppSettingsReplaceString>"InstrumentationKey": "$(RoslynPadTelemetryKey)"</AppSettingsReplaceString>    </PropertyGroup>    <WriteLinesToFile      File="$(OutDir)\appsettings.json"      Lines="$([System.IO.File]::ReadAllText($(AppSettingsInputFile)).Replace($(AppSettingsOriginalString), $(AppSettingsReplaceString)))"      Overwrite="true"      Encoding="Unicode"/>    <WriteLinesToFile      Condition=" '$(PublishDir)' != '' "      File="$(PublishDir)\appsettings.json"      Lines="$([System.IO.File]::ReadAllText($(AppSettingsInputFile)).Replace($(AppSettingsOriginalString), $(AppSettingsReplaceString)))"      Overwrite="true"      Encoding="Unicode"/>  </Target></Project>
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