<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />

Newtonsoft.Json.Utilities.LinqBridge.Lookup<TKey, TElement>

sealed class Lookup<TKey, TElement> : ILookup<TKey, TElement>, IEnumerable<IGrouping<TKey, TElement>>, IEnumerable
Represents a collection of keys each mapped to one or more values.
/* Error decompiling System.Collections.Generic.IEnumerable`1 Newtonsoft.Json.Utilities.LinqBridge.Lookup`2::ApplyResultSelector(Newtonsoft.Json.Serialization.Func`3,TResult>) ---> System.InvalidOperationException: Cannot mutate frozen NullBlockStatement at ICSharpCode.Decompiler.CSharp.Syntax.AstNode.AddChild[T](T child, Role`1 role) in offset 36 at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileBody(MethodDefinition methodDefinition, IMethod method, EntityDeclaration entityDecl, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in offset 637 -- continuing with outer exception (ICSharpCode.Decompiler.DecompilerException) -- at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileBody(MethodDefinition methodDefinition, IMethod method, EntityDeclaration entityDecl, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in offset 835 at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DoDecompile(ITypeDefinition typeDef, DecompileRun decompileRun, ITypeResolveContext decompilationContext) in offset 567 at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DoDecompileTypes(IEnumerable`1 types, DecompileRun decompileRun, ITypeResolveContext decompilationContext, SyntaxTree syntaxTree) in offset 173 at ICSharpCode.Decompiler.CSharp.CSharpDecompiler.DecompileType(FullTypeName fullTypeName) in offset 141 at Relativity.APIReference.TypeDocumentation.b__30_0() in TypeDocumentation.cs:line 270 */