Code Analysis ReferenceAnalyzersRCS1034On this pageRCS1034: Remove redundant 'sealed' modifierPropertiesPropertyValueDefault SeverityHiddenMinimum language version-ExamplesExample #1diagnostic.cspublic sealed class Foo{ public sealed override string ToString() { return ""; }}fix.cspublic override string ToString(){ return "";}Applies toExtension for VS 2022Extension for VS CodeExtension for Open VSXPackage Roslynator.Analyzers