code: public static Map.Entry<String, Map<String, ?>> getSystemBarsCommand() {
          return new AbstractMap.SimpleEntry<>(GET_SYSTEM_BARS, ImmutableMap.of());
      }
docs: This method forms a {@link Map} of parameters to
  Retrieve visibility and bounds information of the status and navigation bars.
  
  @return a key-value pair. The key is the command name. The value is a {@link Map} command arguments.