protected function presentExceptionTraceMethod($class, $type, $method, array $args)
{
$args = array_map(array($this, 'presentValue'), $args);
return sprintf(" <trace><trace-class>%s</trace-class><trace-type>%s</trace-type>" . "<trace-func>%s</trace-func>(<trace-args>%s</trace-args>)</trace>\n", $class, $type, $method, implode(', ', $args));
}