private static async Task <Document> ExtractMethodAsync(Document document, MethodDeclarationSyntax extractFrom, CancellationToken cancellationToken)
{
var selectionResult = SelectionResult.ExtractFrom(extractFrom);
var semanticDocument = await SemanticDocument.CreateAsync(document, cancellationToken);
var analyzer = new MethodExtractorAnalyzer(semanticDocument, selectionResult, cancellationToken);
var codeGenerator = new CodeGenerator(semanticDocument, analyzer.Analyze(), selectionResult, $"{extractFrom.Identifier.Text}_ExtractedMethod");
semanticDocument = await codeGenerator.GenerateAsync(cancellationToken);
return(semanticDocument.Document);
}
