Code Analysis ReferenceAnalyzersRCS0039On this pageRCS0039: Remove new line before base listPropertiesPropertyValueDefault Severitydisabled by defaultMinimum language version-ExamplesExample #1diagnostic.csclass Foo : Bar{}fix.csclass Foo : Bar{}Applies toExtension for VS 2022Extension for VS CodeExtension for Open VSXPackage Roslynator.Formatting.Analyzers