Microsoft.CodeAnalysis.CSharp.CSharpSemanticModel.TryGetSpeculativeSemanticModelCore(Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel, System.Int32, Microsoft.CodeAnalysis.CSharp.Syntax.TypeSyntax, Microsoft.CodeAnalysis.SpeculativeBindingOption, out Microsoft.CodeAnalysis.CSharp.PublicSemanticModel)