Microsoft.CodeAnalysis.IntroduceVariable.AbstractIntroduceVariableService<TService, TExpressionSyntax, TTypeSyntax, TTypeDeclarationSyntax, TQueryExpressionSyntax, TNameSyntax>.RewriteCore<TNode>(TNode, Microsoft.CodeAnalysis.SyntaxNode, System.Collections.Generic.ISet<TExpressionSyntax>)