Bug 299536 API refers to non-API type UIResourceFilterDescription
I20100112 CreateGroupOperation and CreateFolderOperation have constructors that require a UIResourceFilterDescription[]. However this is a non-API type, so clients can't reference it without using internals. Either the constructor should be removed or something like UIResourceFilterDescription needs to be promoted to API. Also, shouldn't CreateFolderOperation be renamed CreateVirtualFolderOperation?
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
}
		public int getChildrenLimit() {
			return Integer.MAX_VALUE;
		}
		protected void argumentsChanged() {
			changed = true;
		}
		public boolean hasChanged() {
			if (changed)
				return true;
			Iterator it = children.iterator();
			while (it.hasNext()) {
				FilterCopy filter = (FilterCopy) it.next();
				if (filter.hasChanged())
					return true;
			}
			return false;
		}
		public boolean isFirst(FilterCopy o) {
			if (children.size() > 0)
				return children.getFirst().equals(o);
			return false;
		}
		public boolean isLast(FilterCopy o) {
			if (children.size() > 0)
				return children.getLast().equals(o);
			return false;
		}
	}
	class TreeContentProvider implements ITreeContentProvider {