Base:
method
DetermineConstantInsertPosition
Microsoft.CodeAnalysis.IntroduceVariable.AbstractIntroduceVariableService<TService, TExpressionSyntax, TTypeSyntax, TTypeDeclarationSyntax, TQueryExpressionSyntax, TNameSyntax>.DetermineConstantInsertPosition(TTypeDeclarationSyntax, TTypeDeclarationSyntax)