Base:
method
TryGetSpeculativeSemanticModelCore
Microsoft.CodeAnalysis.CSharp.CSharpSemanticModel.TryGetSpeculativeSemanticModelCore(Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel, System.Int32, EqualsValueClauseSyntax, out Microsoft.CodeAnalysis.CSharp.PublicSemanticModel)