List of already reported bad class names.

Used to not perform and repeat hints again and again.

Property definitions

nitc $ ModelBuilder :: _bad_class_names
	# List of already reported bad class names.
	# Used to not perform and repeat hints again and again.
	private var bad_class_names = new MultiHashMap[MModule, String]
src/modelbuilder_base.nit:445,2--447,64