Base:
method
CreateSwitchStatement
Microsoft.CodeAnalysis.ConvertIfToSwitch.AbstractConvertIfToSwitchCodeRefactoringProvider<TIfStatementSyntax, TExpressionSyntax, TIsExpressionSyntax, TPatternSyntax>.CreateSwitchStatement(TIfStatementSyntax, TExpressionSyntax, System.Collections.Generic.IEnumerable<Microsoft.CodeAnalysis.SyntaxNode>)