.setHeader("Content-Type", "text/event-stream")
        .chunkedBody(
          """
          |event: add
          |data: 73857293
          |
          |event: remove
          |data: 2153
          |
          |event: add
          |data: 113411
          |
          |
          """.trimMargin(),
          8,
        ).build(),
    )

* ✏ Fix typos and add rewording in docs. PR [#2159](https://github.com/tiangolo/fastapi/pull/2159) by [@nukopy](https://github.com/nukopy).
* 📝 Fix code consistency in examples for Tutorial - User Guide - Path Parameters. PR [#2158](https://github.com/tiangolo/fastapi/pull/2158) by [@nukopy](https://github.com/nukopy).
* 📝 Fix renamed parameter `content_type` typo. PR [#2135](https://github.com/tiangolo/fastapi/pull/2135) by [@TeoZosa](https://github.com/TeoZosa).

    assertNextPermutation(newArrayList(4, 2, 1, 3), permutations);
    assertNextPermutation(newArrayList(2, 4, 1, 3), permutations);
    assertNextPermutation(newArrayList(2, 1, 4, 3), permutations);
    assertNextPermutation(newArrayList(2, 1, 3, 4), permutations);
    assertNoMorePermutations(permutations);
  }

  public void testPermutationSetSize() {

    new RoundToDoubleTester(BigDecimal.valueOf(1L << 53))
        .setExpectation(Math.pow(2, 53), values())
        .test();
  }

  public void testRoundToDouble_maxPreciselyRepresentablePlusOne() {
    double twoToThe53 = Math.pow(2, 53);
    // the representable doubles are 2^53 and 2^53 + 2.
    // 2^53+1 is halfway between, so HALF_UP will go up and HALF_DOWN will go down.

        .containsExactly(new File("/a"), grandParent);
  }

  @AndroidIncompatible // Android forbids null parent ClassLoader
  // https://github.com/google/guava/issues/2152
  public void testClassPathEntries_urlClassLoader_pathWithSpace() throws Exception {
    URL url = new URL("file:///c:/Documents and Settings/");
    URLClassLoader classloader = new URLClassLoader(new URL[] {url}, null);

    new RoundToDoubleTester(BigInteger.valueOf(1L << 53))
        .setExpectation(Math.pow(2, 53), values())
        .test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_maxPreciselyRepresentablePlusOne() {
    double twoToThe53 = Math.pow(2, 53);
    // the representable doubles are 2^53 and 2^53 + 2.
    // 2^53+1 is halfway between, so HALF_UP will go up and HALF_DOWN will go down.

  owner_html_url: https://github.com/supabase
- name: langserve
  html_url: https://github.com/langchain-ai/langserve
  stars: 2157
  owner_login: langchain-ai
  owner_html_url: https://github.com/langchain-ai
- name: fastapi-utils
  html_url: https://github.com/fastapiutils/fastapi-utils
  stars: 2155
  owner_login: fastapiutils
  owner_html_url: https://github.com/fastapiutils
- name: solara

{* ../../docs_src/extending_openapi/tutorial001.py hl[2,15:20] *}

### 🔀 🗄 🔗

🔜 👆 💪 🚮 📄 ↔, ❎ 🛃 `x-logo` `info` "🎚" 🗄 🔗:

{* ../../docs_src/extending_openapi/tutorial001.py hl[21:23] *}

### 💾 🗄 🔗

👆 💪 ⚙️ 🏠 `.openapi_schema` "💾", 🏪 👆 🏗 🔗.

👈 🌌, 👆 🈸 🏆 🚫 ✔️ 🏗 🔗 🔠 🕰 👩‍💻 📂 👆 🛠️ 🩺.

⚫️ 🔜 🏗 🕴 🕐, & ⤴️ 🎏 💾 🔗 🔜 ⚙️ ⏭ 📨.

        collector.setSource("pom.xml");
        collector.add(Problem.Severity.ERROR, "Error message", 10, 5, null);
        collector.add(Problem.Severity.WARNING, "Warning message", 15, 3, null);

        List<Problem> problems = collector.getProblems();
        assertEquals(2, problems.size(), "Should collect both problems");

      "x01234567890123456789012345678901234567890123456789012345678901x",
      "x01234567890123456789012345678901234567890123456789012345678901†",
      // OkHttp rejects domain names longer than 253 code points, the web platform tests don't.