final InputSource inputSource = new InputSource();
inputSource.setByteStream(data.getResourceAsStream(manager));
handler.initParseContext(inputSource);
handler.setStyleRule(new CSSStyleRule(null, null));
parser.parseStyleDeclaration(inputSource);
final DependencyCollector dependencies = handler.getDependencies();
if (context != null)
{
dependencies.add(data.getKey(), data.getVersion(manager));