private bool IsConsistentQuoting(System.Collections.ObjectModel.Collection <CompletionResult> matches)
{
int quotedCompletions = matches.Count(match => IsQuoted(match.CompletionText));
return
(quotedCompletions == 0 ||
(quotedCompletions == matches.Count &&
quotedCompletions == matches.Count(
m => m.CompletionText[0] == matches[0].CompletionText[0])));
}