Code Analysis ReferenceAnalyzersRCS0050On this pageRCS0050: Add blank line before top declarationPropertiesPropertyValueDefault Severitydisabled by defaultMinimum language version-ExamplesExample #1diagnostic.csusing System;namespace Foo{}fix.csusing System;namespace Foo{}Applies toExtension for VS 2022Extension for VS CodeExtension for Open VSXPackage Roslynator.Formatting.Analyzers