String[] uses = exports[i].getUses();
String[] uses = (String[]) exports[i].getExportPackageDescription().getDirective(Constants.USES_DIRECTIVE);
	void addImportConstraints(ResolverBundle bundle) {		ResolverExport[] exports = bundle.getExportPackages();		for (int i = 0; i < exports.length; i++) {			String[] uses = exports[i].getUses();			if (uses == null)				continue;			for (int j = 0; j < uses.length; j++) {				ResolverImport imp = bundle.getImport(uses[j]);				if (imp == null)					continue;				ResolverExport root = imp.getRoot();				if (root == null)					continue;				addConstraint(exports[i], root);			}		}	}