assertEquals(2, ms.count(Color.RED));
  }

  public void testCollectionCreate() {
    Multiset<Color> ms = EnumMultiset.create(asList(Color.RED, Color.YELLOW, Color.RED));
    assertEquals(0, ms.count(Color.BLUE));
    assertEquals(1, ms.count(Color.YELLOW));
    assertEquals(2, ms.count(Color.RED));
  }

  public void testIllegalCreate() {
    Collection<Color> empty = EnumSet.noneOf(Color.class);

detailed output with `-v` option:
```bash
cat input.json | jstream -v -d -1

depth	start	end	type   | value
2	018	023	string | "RGB"
3	041	046	string | "red"
3	048	055	string | "green"
3	057	063	string | "blue"
2	039	065	array  | ["red","green","blue"]
1	004	069	object | {"colors":["red","green","blue"],"desc":"RGB"}
2	087	093	string | "CMYK"
3	111	117	string | "cyan"
3	119	128	string | "magenta"
3	130	138	string | "yellow"

For `Item-Input`, `description` is **not required**, it doesn't have a red asterisk.

But for `Item-Output`, `description` is **required**, it has a red asterisk.

<div class="screenshot">
<img src="/img/tutorial/separate-openapi-schemas/image04.png">
</div>

    assertThrows(IllegalArgumentException.class, () -> multimap.put(Color.BLUE, -1));
    multimap.put(Color.RED, 1);
    multimap.put(Color.BLUE, 2);
    assertThrows(IllegalArgumentException.class, () -> multimap.put(Color.GREEN, -1));
    assertThat(multimap.entries())
        .containsExactly(Maps.immutableEntry(Color.RED, 1), Maps.immutableEntry(Color.BLUE, 2));
  }

  public void testNewMultimap() {

    /**
     * <a href="https://en.wikipedia.org/wiki/ANSI_escape_code#Colors">ANSI 8 colors</a> for fluent API
     */
    public enum Color {
        BLACK(0, "BLACK"),
        RED(1, "RED"),
        GREEN(2, "GREEN"),
        YELLOW(3, "YELLOW"),
        BLUE(4, "BLUE"),
        MAGENTA(5, "MAGENTA"),
        CYAN(6, "CYAN"),
        WHITE(7, "WHITE"),
        DEFAULT(9, "DEFAULT");

none;\n}\n\n.card.bg-red .bootstrap-datetimepicker-widget table thead tr:first-child th:hover,\n.card.bg-red .bootstrap-datetimepicker-widget table td.day:hover,\n.card.bg-red .bootstrap-datetimepicker-widget table td.hour:hover,\n.card.bg-red .bootstrap-datetimepicker-widget table td.minute:hover,\n.card.bg-red .bootstrap-datetimepicker-widget table td.second:hover,\n.card.bg-gradient-red .bootstrap-datetimepicker-widget table thead tr:first-child th:hover,\n.card.bg-gradient-red .bootstrap-datetimepicker-widget...

-radar-red .pace .pace-activity{border-color:#dc3545 transparent transparent}.pace-center-radar-red .pace .pace-activity::before{border-color:#dc3545 transparent transparent}.pace-center-simple-red .pace{background:#fff;border-color:#dc3545}.pace-center-simple-red .pace .pace-progress{background:#dc3545}.pace-material-red .pace{color:#dc3545}.pace-corner-indicator-red .pace .pace-activity{background:#dc3545}.pace-corner-indicator-red .pace .pace-activity::after,.pace-corner-indicator-red .pace ....

   *
   * <pre>{@code
   * Color red = new Color("red", 255, 0, 0);
   * ...
   * FluentIterable<Color> allColors = FluentIterable.from(ImmutableSet.of(red, green, blue));
   *
   * Map<String, Color> colorForName = allColors.uniqueIndex(toStringFunction());
   * assertThat(colorForName).containsEntry("red", red);
   * }</pre>
   *

        return style("." + Constants.MAVEN_STYLE_WARNING_NAME + ":-" + Constants.MAVEN_STYLE_WARNING_DEFAULT, message);
    }

    /**
     * Append message content in error style.
     * By default, bold red
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder error(Object message) {

    readme_content = readme_path.read_text("utf-8")
    if generated_content != readme_content:
        typer.secho(
            "README.md outdated from the latest index.md", color=typer.colors.RED
        )
        raise typer.Abort()
    typer.echo("Valid README ✅")


@app.command()
def build_all() -> None:
    """