@Override public boolean containsAll(Collection<?> c) { return delegate.containsAll(c); }
@Override public boolean containsAll(Collection<?> c) { return localInternalQueue.containsAll(c); }
@Override public boolean containsAll(Collection<?> c) { return delegate.containsAll(c); }
@Override public boolean containsAll(Collection<?> c) { return localInternalQueue.containsAll(c); }