}
        if (o == null || !(o instanceof DefaultManifest)) {
            return false;
        }

        DefaultManifest effectiveThis = getEffectiveManifest();
        DefaultManifest effectiveThat = ((DefaultManifest) o).getEffectiveManifest();

        if (!effectiveThis.attributes.equals(effectiveThat.attributes)) {
            return false;
        }

Speaking of `writeTo()`, you can use that to easily write a manifest to disk at any time, like so:

.Saving a MANIFEST.MF to disk
====