public static bool ContainsKey <T>(this ListTreeNode <T> self, String key)
where T : IListTreeItem, IValue <T>
{
var ukey = Utf8String.From(key);
return(self.ContainsKey(ukey));
}
public static bool ContainsKey <T>(this ListTreeNode <T> self, String key)
where T : IListTreeItem, IValue <T>
{
var ukey = Utf8String.From(key);
return(self.ContainsKey(ukey));
}