/// <summary>
/// Gets the dot-like token we're after, and also the start of the expression we'd want to place any text before.
/// </summary>
private static (SyntaxToken dotLikeToken, int expressionStart) GetDotAndExpressionStart(SyntaxNode root, int position)
{
var tokenOnLeft = root.FindTokenOnLeftOfPosition(position, includeSkipped: true);
var dotToken = tokenOnLeft.GetPreviousTokenIfTouchingWord(position);
// Has to be a . or a .. token
if (!CompletionUtilities.TreatAsDot(dotToken, position - 1))
{
return(default);