if (debugrates) { if (librarydebug) { System.err.println("FILTER "+ filterIter.getObject().getClass() .getName()); } else { System.err.println("FILTER "+ ((SIRStream) filterIter.getObject()) .getIdent()); } }
    public Filter(FilterIter _filterIter)    {        super (_filterIter.getUnspecializedIter());                assert _filterIter != null;        filterIter = _filterIter;        computeSteadyState();    }