- (void) addObject:(id)object
- (void) addObjectsFromArray:(OBArray *)array
- (BOOL) containsObject:object
- (ULONG) count
- (ULONG) countByEnumeratingWithState:(OBFastEnumerationState *)state objects:(id *)stackbuf count:(ULONG)length
- (void) exchangeObjectAtIndex:(ULONG)index withObjectAtIndex:(ULONG)other
- (id) firstObject
- (void) getObjects:(id*)objects
- (ULONG) indexOfObject:(id)object
- (ULONG) indexOfObject:(id)object inRange:(OBRange)range
- (ULONG) indexOfObjectIdenticalTo:(id)object
- (ULONG) indexOfObjectIdenticalTo:(id)object inRange:(OBRange)range
- (id) initWithArray:(OBArray *)children
- (id) initWithObject:(id)child
- (id) initWithObjects:(id)child, ... 
- (id) initWithObjects:(id*)objects count:(ULONG)count
- (void) insertObject:(id)object atIndex:(ULONG)index
- (id) lastObject
- (void) makeObjectsPerform:(OBPerform *)perform
- (void) makeObjectsPerformSelector:(SEL)selector
- (void) makeObjectsPerformSelector:(SEL)selector withObject:(id)object
- (id) objectAtIndex:(ULONG)index
- (OBEnumerator *) objectEnumerator
- (id) objectFollowing:(id)object
- (id) objectPreceeding:(id)object
- (OBArray *) objects
- (void) removeAllObjects
- (void) removeLastObject
- (void) removeObject:(id)object
- (void) removeObject:(id)object inRange:(OBRange)range
- (void) removeObjectAtIndex:(ULONG)index
- (void) removeObjectIdenticalTo:(id)object
- (void) removeObjectIdenticalTo:(id)object inRange:(OBRange)range
- (void) removeObjectsInArray:(OBArray *)array
- (void) removeObjectsInRange:(OBRange)range
- (void) replaceObjectAtIndex:(ULONG)index withObject:(id)object
- (void) replaceObjectsInRange:(OBRange)range withObjectsFromArray:(OBArray *)array
- (void) replaceObjectsInRange:(OBRange)range withObjectsFromArray:(OBArray *)array range:(OBRange)otherRange
- (OBEnumerator *) reverseObjectEnumerator
- (void) sortUsingFunction:(LONG (*)(id, id, void *))compare context:(void *)context
- (void) sortUsingSelector:(SEL)selector