this.pkgSources = new KeyedHashSet(false);
	public BundleLoaderProxy(BundleHost bundle) {		this.bundle = bundle;		this.symbolicName = bundle.getSymbolicName();		if (this.symbolicName == null) {			this.symbolicName = new StringBuffer().append(bundle.getBundleId()).append("NOSYMBOLICNAME").toString(); //$NON-NLS-1$		}		this.version = bundle.getVersion();		this.key = new StringBuffer(symbolicName).append("_").append(this.version.toString()).toString(); //$NON-NLS-1$		this.users = new KeyedHashSet(false);	}