Microsoft.CodeAnalysis.AddParameter.AbstractAddParameterCodeFixProvider<TArgumentSyntax, TAttributeArgumentSyntax, TArgumentListSyntax, TAttributeArgumentListSyntax, TExpressionSyntax, TInvocationExpressionSyntax, TObjectCreationExpressionSyntax>.GetArgumentType(Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.SemanticModel, System.Threading.CancellationToken)