Code example for HashSet

Methods: iterator

     * Returns an iterator allowing filters to be removed. 
    public Iterator<F> filterIterator() {
        return new IteratorWrapper(mFilters.iterator());
     * Returns a read-only set of the filters. 
    public Set<F> filterSet() {
        return Collections.unmodifiableSet(mFilters);
    public List<R> queryIntentFromList(Intent intent, String resolvedType, 
            boolean defaultOnly, ArrayList<ArrayList<F>> listCut, int userId) {
        ArrayList<R> resultList = new ArrayList<R>();
        final boolean debug = localLOGV ||
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