Map<String, Map<String, String>> exports = OSGiHeader.parseHeader(exportsStr);
for (Entry<String, Map<String, String>> entry : exports.entrySet()) {
Builder builder = new Builder().setNamespace(Namespaces.NS_WIRING_PACKAGE);
String pkgName = OSGiHeader.removeDuplicateMarker(entry.getKey());
builder.addAttribute(Namespaces.NS_WIRING_PACKAGE, pkgName);
String versionStr = entry.getValue().get(Constants.VERSION_ATTRIBUTE);
Version version = (versionStr != null) ? new Version(versionStr) : new Version(0, 0, 0);
builder.addAttribute(Namespaces.ATTR_VERSION, version);