assertNotNull(res, "null classpath container after compile transform");
        assertNotNull(res.getClasspath(), "null classpath after compile transform");
        assertEquals(3, res.getClasspath().size(), "compile classpath should have 3 entries");
    }

    // ------------------------------------------------------------------------------------------
    @Test
    void testRuntimeClasspathTransform() throws Exception {

        futures.isEmpty()
            ? Collections.<@Nullable Present<V>>emptyList()
            : Lists.<@Nullable Present<V>>newArrayListWithCapacity(futures.size());

    // Populate the results list with null initially.
    for (int i = 0; i < futures.size(); ++i) {
      values.add(null);
    }

    this.values = values;
  }

  @Override
  final void collectOneValue(int index, @ParametricNullness V returnValue) {

                && dependenciesEquals(a.getDependencies(), b.getDependencies());
    }

    private static boolean dependenciesEquals(List<Dependency> a, List<Dependency> b) {
        if (a.size() != b.size()) {
            return false;
        }

        Iterator<Dependency> aI = a.iterator();
        Iterator<Dependency> bI = b.iterator();

        while (aI.hasNext()) {
            Dependency aD = aI.next();

        if (logger.isDebugEnabled()) {
            smb1AuthList.forEach(smb1Auth -> logger
                    .debug("Smb1Authentication: " + smb1Auth.getServer() + ":" + smb1Auth.getPort() + " " + smb1Auth.getUsername()));
        }
        paramMap.put(Param.Client.FTP_AUTHENTICATIONS, ftpAuthList.toArray(new FtpAuthentication[ftpAuthList.size()]));
        if (logger.isDebugEnabled()) {

   */
  private static char[] growBuffer(char[] dest, int index, int size) {
    if (size < 0) { // overflow - should be OutOfMemoryError but GWT/j2cl don't support it
      throw new AssertionError("Cannot increase internal buffer any further");
    }
    char[] copy = new char[size];
    if (index > 0) {
      System.arraycopy(dest, 0, copy, 0, index);
    }
    return copy;
  }

     * @return encoded avpairs
     */
    public static byte[] encode(final List<AvPair> pairs) {
        int size = 0;
        for (final AvPair p : pairs) {
            size += 4 + p.getRaw().length;
        }
        size += 4;

        final byte[] enc = new byte[size];
        int pos = 0;
        for (final AvPair p : pairs) {
            final byte[] raw = p.getRaw();

        assertNotNull(results);
        assertEquals(1, results.size());
        ProjectBuildingResult result = results.get(0);
        assertNotNull(result);
        assertNotNull(result.getProject());
        assertEquals(1, result.getProblems().size());
        assertEquals(1, result.getProject().getArtifacts().size());
        assertNotNull(result.getDependencyResolutionResult());
    }

    /**

    @Override
    protected Set<String> create(String[] elements) {
      ImmutableSet.Builder<String> builder =
          ImmutableSet.builderWithExpectedSize(newHashSet(elements).size());
      for (String e : elements) {
        builder.add(e);
      }
      return builder.build();
    }
  }

  public static class ImmutableSetTooBigBuilderGenerator extends TestStringSetGenerator {

        }
      }

      @Override
      public Iterator<Entry<K, V>> iterator() {
        return delegate().iterator();
      }

      @Override
      public int size() {
        return delegate().size();
      }

      @Override
      public boolean remove(Object o) {
        return delegate().remove(o);
      }

      @Override
      public void clear() {

@app.post("/optional-uploadfile", operation_id="optional_uploadfile")
async def read_optional_uploadfile(p: Annotated[Optional[UploadFile], File()] = None):
    return {"file_size": p.size if p else None}


@pytest.mark.parametrize(
    "path",
    [
        "/optional-bytes",
        "/optional-uploadfile",
    ],
)
def test_optional_schema(path: str):
    openapi = app.openapi()