.../core/commons/persistence/OLATPersistenceUnitManager.java

src/main/java/org/olat/core/util/StringHelper.java

src/main/java/org/olat/course/CourseFactory.java

src/main/java/org/olat/course/CourseUpgrade.java

src/main/java/org/olat/course/ICourse.java

src/main/java/org/olat/course/PersistingCourseImpl.java

src/main/java/org/olat/course/_spring/courseContext.xml

src/main/java/org/olat/course/condition/Condition.java

.../java/org/olat/course/export/CourseEnvironmentMapper.java

...a/org/olat/course/groupsandrights/CourseGroupManager.java

.../course/groupsandrights/PersistingCourseGroupManager.java

...a/org/olat/course/nodes/AbstractAccessableCourseNode.java

...in/java/org/olat/course/nodes/AbstractFeedCourseNode.java

src/main/java/org/olat/course/nodes/BCCourseNode.java

src/main/java/org/olat/course/nodes/COCourseNode.java

src/main/java/org/olat/course/nodes/CalCourseNode.java

src/main/java/org/olat/course/nodes/CourseNode.java

src/main/java/org/olat/course/nodes/DialogCourseNode.java

src/main/java/org/olat/course/nodes/ENCourseNode.java

src/main/java/org/olat/course/nodes/FOCourseNode.java