private IEnumerable<string> Format(Value value)
{
var type = value.GetType();
if (type == typeof(LiteralValue))
{
return this.Format((LiteralValue)value);
}
if (type == typeof(MarkupExtension))
{
return this.Format((MarkupExtension)value);
}
throw new ArgumentException($"Unhandled type {type.FullName}", nameof(value));
}
