static Concepts newConceptsWithClassFinder(S progID) { Concepts cc = new(progID); cc.classFinder = _defaultClassFinder(); ret cc; } static Concepts newConceptsWithClassFinder(File conceptsFile) { Concepts cc = new(assertNotNull(conceptsFile)); cc.classFinder = _defaultClassFinder(); ret cc; } static Concepts newConceptsWithClassFinder(File conceptsFile, IF1 classFinder) { Concepts cc = new(assertNotNull(conceptsFile)); cc.classFinder = classFinder; ret cc; }