private static async Task <Document> SynchronizeProperty(Document document, PropertyDeclarationSyntax property,
CancellationToken cancellationToken)
{
var backingField = PropertyBuilder.BuildBackingField(property);
var newProperty = PropertyBuilder.BuildPropertyWithSynchronizedBackingField(property, backingField);
var documentEditor = await DocumentEditor.CreateAsync(document, cancellationToken);
documentEditor.InsertBefore(property, backingField);
documentEditor.ReplaceNode(property, newProperty);
return(documentEditor.GetChangedDocument());
}