then the types are still processed correctly, including dereferencing of forward
    references.
    """
    app = FastAPI()
    client = TestClient(app)
    app.post("/endpoint")(passthrough(forwardref_method))
    app.post("/endpoint2")(passthrough(passthrough(forwardref_method)))
    with client:
        response = client.post("/endpoint", json={"input": {"x": 0}})
        response2 = client.post("/endpoint2", json={"input": {"x": 0}})

   * java.util.Optional}, or {@code null} if the argument is null.
   *
   * @since 33.4.0 (but since 21.0 in the JRE flavor)
   */
  @SuppressWarnings("NullableOptional") // Null passthrough is reasonable for type conversions
  @IgnoreJRERequirement // Users will use this only if they're already using Optional.
  public static <T> @Nullable Optional<T> fromJavaUtil(

        assertFalse(compressionService.isAlgorithmSupported(CompressionService.COMPRESSION_PATTERN_V1));
    }

    @Test
    @DisplayName("Test no compression (passthrough)")
    public void testNoCompression() throws CIFSException {
        byte[] compressed = compressionService.compress(testData, CompressionService.COMPRESSION_NONE);
        assertArrayEquals(testData, compressed);

        assertThrows(RuntimeCIFSException.class, a::getURLPath);
        assertThrows(RuntimeCIFSException.class, a::getUNCPath);
    }

    @Test
    @DisplayName("Server, port, URL passthrough getters")
    void testServerPortUrl() throws Exception {
        // No context mocks needed for this test
        SmbResourceLocatorImpl a = locator("smb://server:444/share");
        assertEquals("server", a.getServer());