throws Throwable
throws IOException
  protected void printRImpl(Env env,                            WriteStream out,                            int depth,                            IdentityHashMap<Value, String> valueSet)    throws Throwable  {    out.println("Array");    printDepth(out, 8 * depth);    out.println("(");    for (Map.Entry<Value,Value> mapEntry : entrySet()) {      ArrayValue.Entry entry = (ArrayValue.Entry) mapEntry;      entry.printRImpl(env, out, depth, valueSet);    }    printDepth(out, 8 * depth);    out.println(")");  }