<PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.10" />

System.Configuration.SettingAttribute

public class SettingAttribute : Attribute
Represents a custom settings attribute used to associate settings information with a settings property.
/* System.InvalidOperationException: Cannot replace the root node at ICSharpCode.Decompiler.CSharp.Syntax.AstNode.ReplaceWith(AstNode newNode) at ICSharpCode.Decompiler.CSharp.Syntax.DepthFirstAstVisitor.VisitChildren(AstNode node) at ICSharpCode.Decompiler.CSharp.Transforms.IntroduceUsingDeclarations.FullyQualifyAmbiguousTypeNamesVisitor.VisitTypeDeclaration(TypeDeclaration typeDeclaration) at ICSharpCode.Decompiler.CSharp.Transforms.IntroduceUsingDeclarations.FullyQualifyAmbiguousTypeNamesVisitor.VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration) at ICSharpCode.Decompiler.CSharp.Transforms.IntroduceUsingDeclarations.Run(AstNode rootNode, TransformContext context) at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.RunTransforms(AstNode rootNode, DecompileRun decompileRun, ITypeResolveContext decompilationContext) at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileType(FullTypeName fullTypeName) at Relativity.APIReference.TypeDocumentation.b__30_0() in C:\Dev\relativity.apireference\Data\TypeDocumentation.cs:line 270 */