Implemented in Zend_Tool_Framework_Client_Abstract, Zend_Tool_Framework_Provider_Signature, Zend_Tool_Framework_Client_Console_ArgumentParser, Zend_Tool_Framework_Loader_BasicLoader, Zend_Tool_Framework_Client_Console_Manifest, Zend_Tool_Framework_Client_Manifest, Zend_Tool_Framework_Provider_Repository, Zend_Tool_Framework_Loader_Abstract, Zend_Tool_Framework_Provider_Abstract, Zend_Tool_Framework_Manifest_Repository, Zend_Tool_Framework_Action_Repository, Zend_Tool_Framework_System_Provider_Version, and Zend_Tool_Framework_System_Provider_Manifest.
