Microsoft.CodeAnalysis.ConvertToInterpolatedString.AbstractConvertPlaceholderToInterpolatedStringRefactoringProvider<TExpressionSyntax, TLiteralExpressionSyntax, TInvocationExpressionSyntax, TInterpolatedStringExpressionSyntax, TArgumentSyntax, TArgumentListExpressionSyntax, TInterpolationSyntax>.ParseExpression(System.String)