return true;
found = true; if (!found) return false;
	public boolean hasCommonSource(PackageSource other) {		if (other == null)			return false;		if (this == other)			return true;		SingleSourcePackage[] suppliers1 = getSuppliers();		SingleSourcePackage[] suppliers2 = other.getSuppliers();		if (suppliers1 == null || suppliers2 == null)			return false;		for (int i = 0; i < suppliers1.length; i++) {			for (int j = 0; j < suppliers2.length; j++)				if (suppliers1[i].supplier == suppliers2[j].supplier)					return true;		}		return false;	}