class
	MISMATCH_CORRECTOR

General
	cluster: base
	description: 
		"Ancestor of all classes that need facility to retrieve an older version of an instance of current
		class through storable.
		Redefine `correct_mismatch' to get data from `mismatch_information' about found mismatch. A mismatch
		might be the addition or the removal of an attribute as well as an attribute type change."

Ancestors
	ANY

Queries
	Mismatch_information: MISMATCH_INFORMATION

Commands
	correct_mismatch