{ if (renderer == null) throw new IllegalStateException(NULL_RENDERER);  result = renderer.getRenderingDef().getQuantization();
try { errorIfNullRenderingDef(); return rendDefObj.getQuantization(); } finally { rwl.readLock().unlock();
    public QuantumDef getQuantumDef()    {        QuantumDef result;        rwl.readLock().lock();        {            if (renderer == null)                throw new IllegalStateException(NULL_RENDERER);                        result = renderer.getRenderingDef().getQuantization();        }        rwl.readLock().unlock();        return result;    }