Base:
method
CreateUsingLocalDeclarationStatement
Microsoft.CodeAnalysis.IntroduceUsingStatement.AbstractIntroduceUsingStatementCodeRefactoringProvider<TStatementSyntax, TExpressionStatementSyntax, TLocalDeclarationSyntax, TTryStatementSyntax>.CreateUsingLocalDeclarationStatement(TExpressionStatementSyntax, Microsoft.CodeAnalysis.SyntaxToken)