<PackageReference Include="System.Formats.Asn1" Version="10.0.5" />

System.Diagnostics.CodeAnalysis.NotNullAttribute

sealed class NotNullAttribute : Attribute
Specifies that an output will not be null even if the corresponding type allows it. Specifies that an input argument was not null when the call returns.
/* System.InvalidOperationException: Stack empty. at System.Collections.Generic.Stack`1.ThrowForEmptyStack() at ICSharpCode.Decompiler.CSharp.Transforms.IntroduceExtensionMethods.VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration) at ICSharpCode.Decompiler.CSharp.Transforms.IntroduceExtensionMethods.VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration) at ICSharpCode.Decompiler.CSharp.Syntax.DepthFirstAstVisitor.VisitChildren(AstNode node) 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 */