<PackageReference Include="System.Reactive" Version="6.0.2" />

System.Reactive.Linq.IQueryLanguage

interface IQueryLanguage
/* System.InvalidOperationException: Stack empty. at System.Collections.Generic.Stack`1.ThrowForEmptyStack() at System.Collections.Generic.Stack`1.Pop() 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.Transforms.IntroduceExtensionMethods.Run(AstNode rootNode, TransformContext context) 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 */