public static async Task <Document> RefactorAsync(
Document document,
ConstructorDeclarationSyntax constructor,
CancellationToken cancellationToken)
{
SyntaxTokenList modifiers = constructor.Modifiers;
int index = modifiers.IndexOf(SyntaxKind.PublicKeyword);
Debug.Assert(index != -1, modifiers.ToString());
if (index != -1)
{
SyntaxToken modifier = modifiers[index];
SyntaxToken newModifier = CSharpFactory.ProtectedKeyword().WithTriviaFrom(modifier);
return(await document.ReplaceTokenAsync(modifier, newModifier, cancellationToken).ConfigureAwait(false));
}
return(document);
}