code: public byte[] methodCallRewriteUseCacheIfAvailable(String slashedClassName, byte[] bytes) {
  		if (GlobalConfiguration.isCaching) {
  			return MethodInvokerRewriter.rewriteUsingCache(slashedClassName, this, bytes);
  		}
  		else {
  			return MethodInvokerRewriter.rewrite(this, bytes);
  		}
  	}
docs: /*
  This version will attempt to use a cache if one is being managed.