public boolean isPrototypeCached(String aTypeName) { return ldm.isPrototypeCached(aTypeName);
public synchronized boolean isPrototypeCached(String aTypeName) { if (ldm != null) { return ldm.isPrototypeCached(aTypeName); } else { return (_pcache==null?false:_pcache.get(aTypeName)!=null); }
    public boolean isPrototypeCached(String aTypeName) {      return ldm.isPrototypeCached(aTypeName);    }