<PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.3" />

RegexStringValidator

Provides validation of a string based on the rules provided by a regular expression.
namespace System.Configuration { internal sealed class DefinitionUpdate : Update { internal SectionRecord SectionRecord { get; } = sectionRecord; internal DefinitionUpdate(string configKey, bool moved, string updatedXml, SectionRecord sectionRecord) : base(configKey, moved, updatedXml) { } } }