classes/Factory/Definition.php
public function addClassArgument($name, $class, $required = true)
	{
		return $this->addArgument(new ClassArgument($this->argumentPosition++, $name, $class, $required));
	}
public function addClassArgument($name, $class, $required = true)
	{
		return $this->addArgument(new ClassArgument($this->argumentPosition++, $name, $class, $required));
	}
Add a class argument to the factory definition.

@param string  $name
@param string  $class
@param boolean $required Optional - defaults to true