<PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0-preview.2.23128.3" />

SettingsPropertyIsReadOnlyException

using System.Runtime.CompilerServices; using System.Runtime.Serialization; namespace System.Configuration { [Serializable] [TypeForwardedFrom("System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")] public class SettingsPropertyIsReadOnlyException : Exception { public SettingsPropertyIsReadOnlyException(string message) : base(message) { } public SettingsPropertyIsReadOnlyException(string message, Exception innerException) : base(message, innerException) { } protected SettingsPropertyIsReadOnlyException(SerializationInfo info, StreamingContext context) : base(info, context) { } public SettingsPropertyIsReadOnlyException() { } } }