* addition, the cause of any {@code ExecutionException} is wrapped in order to ensure that the
   * new stack trace matches that of the current thread.
   *
   * <p>Instances of {@code exceptionClass} are created by choosing an arbitrary public constructor
   * that accepts zero or more arguments, all of type {@code String} or {@code Throwable}

   * \n}. If the source's content does not end in a line termination sequence, it is treated as if
   * it does.
   *
   * @throws IOException if an I/O error occurs while reading from this source
   */
  @CheckForNull
  public String readFirstLine() throws IOException {
    Closer closer = Closer.create();
    try {
      BufferedReader reader = closer.register(openBufferedStream());

But you also want it to accept new items. And when the items didn't exist before, it creates them, and returns an HTTP status code of 201 "Created".

To achieve that, import `JSONResponse`, and return your content there directly, setting the `status_code` that you want:

{* ../../docs_src/additional_status_codes/tutorial001_an_py310.py hl[4,25] *}

   * addition, the cause of any {@code ExecutionException} is wrapped in order to ensure that the
   * new stack trace matches that of the current thread.
   *
   * <p>Instances of {@code exceptionClass} are created by choosing an arbitrary public constructor
   * that accepts zero or more arguments, all of type {@code String} or {@code Throwable}

public final class Lists {
  private Lists() {}

  // ArrayList

  /**
   * Creates a <i>mutable</i>, empty {@code ArrayList} instance (for Java 6 and earlier).
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableList#of()} instead.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,

  /**
   * Creates a new min-max priority queue with default settings: natural order, no maximum size, no
   * initial contents, and an initial expected size of 11.
   */
  public static <E extends Comparable<E>> MinMaxPriorityQueue<E> create() {
    return new Builder<Comparable<E>>(Ordering.natural()).create();
  }

  /**

  latest="$("${CONTAINER_CLI}" images --filter=reference="${query}" --format "{{.CreatedAt|json}}~{{.Repository}}:{{.Tag}}~{{.CreatedSince}}" | sort -n -r | head -n1)"
  IMG="$(<<<"$latest" cut -d~ -f2)"
  if [[ "${IMG}" == "" ]]; then
    echo "Attempted to use LATEST_CACHED_IMAGE, but found no images matching ${query}" >&2
    exit 1
  fi
  echo "Using cached image $IMG, created $(<<<"$latest" cut -d~ -f3)" >&2
fi

   *
   * @since 11.0
   */
  @DoNotMock
  public static final class Builder<R, C, V> {
    private final List<Cell<R, C, V>> cells = Lists.newArrayList();
    @CheckForNull private Comparator<? super R> rowComparator;
    @CheckForNull private Comparator<? super C> columnComparator;

    /**

   * multiple sets in series. Each set is a superset of the set created before it.
   *
   * @since 2.0
   */
  public static final class Builder<E> extends ImmutableSet.Builder<E> {
    private final Comparator<? super E> comparator;
    private E[] elements;
    private int n;

    /**
     * Creates a new builder. The returned builder is equivalent to the builder generated by {@link

    return SortedMultisetTestSuiteBuilder.using(
            new ForwardingTestMultisetGenerator<E>(delegate) {
              @Override
              public SortedMultiset<E> create(Object... entries) {
                return ((SortedMultiset<E>) super.create(entries)).descendingMultiset();
              }

              @Override
              public Iterable<E> order(List<E> insertionOrder) {