Base:
method
CreateSpeculativeSemanticModel
Microsoft.CodeAnalysis.Shared.Utilities.AbstractSpeculationAnalyzer<TExpressionSyntax, TTypeSyntax, TAttributeSyntax, TArgumentSyntax, TForEachStatementSyntax, TThrowStatementSyntax, TInvocationExpressionSyntax, TConversion>.CreateSpeculativeSemanticModel(Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.SemanticModel)