- [Server binaries](#server-binaries-2)
    - [Node binaries](#node-binaries-2)
  - [Changelog since v1.16.12](#changelog-since-v11612)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-2)
    - [Bug or Regression](#bug-or-regression-2)
  - [Dependencies](#dependencies-2)
    - [Added](#added-2)

 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * Implementation of the Maven Upgrade tool ({@code mvnup}).
 *
 * <p>This package contains the implementation classes for the Maven upgrade tool,
 * providing functionality for upgrading Maven projects and dependencies.</p>
 *
 * @since 4.0.0
 */

    private const val UPGRADE = "upgrade"

    /** See http://tools.ietf.org/html/draft-ietf-httpbis-http2-09#section-8.1.3. */
    private val HTTP_2_SKIPPED_REQUEST_HEADERS =
      immutableListOf(
        CONNECTION,
        HOST,
        KEEP_ALIVE,
        PROXY_CONNECTION,
        TE,
        TRANSFER_ENCODING,
        ENCODING,
        UPGRADE,
        TARGET_METHOD_UTF8,

        }
    }

    @Nested
    @DisplayName("Upgrade Path Validation")
    class UpgradePathValidationTests {

        @ParameterizedTest(name = "from {0} to {1}")
        @MethodSource("provideValidPathUpgradeVersions")
        @DisplayName("should validate upgrade path")
        void shouldValidateUpgradePath(String from, String to) {

  }

  @Test fun http2HeadersListDropsForbiddenHeadersHttp2() {
    val request =
      Request
        .Builder()
        .url("http://square.com/")
        .header("Connection", "upgrade")
        .header("Upgrade", "websocket")
        .header("Host", "square.com")
        .header("TE", "gzip")
        .build()
    val expected =
      headerEntries(
        ":method",
        "GET",
        ":path",

    assertThat(recorded.headers["Connection"]).isEqualTo("Upgrade, HTTP2-Settings")
    if (PlatformVersion.majorVersion < 19) {
      assertThat(recorded.headers["Content-Length"]).isEqualTo("0")
    }
    assertThat(recorded.headers["HTTP2-Settings"]).isNotNull()
    assertThat(recorded.headers["Upgrade"]).isEqualTo("h2c") // HTTP/2 over plaintext!

    permissions:
      pull-requests: read
    runs-on: ubuntu-latest
    steps:
      - uses: docker://agilepathway/pull-request-label-checker:latest
        with:
          one_of: breaking,security,feature,bug,refactor,upgrade,docs,lang-all,internal

      )
    }

    val headerConnection = response.header("Connection")
    if (!"Upgrade".equals(headerConnection, ignoreCase = true)) {
      throw ProtocolException(
        "Expected 'Connection' header value 'Upgrade' but was '$headerConnection'",
      )
    }

    val headerUpgrade = response.header("Upgrade")
    if (!"websocket".equals(headerUpgrade, ignoreCase = true)) {
      throw ProtocolException(

    }

    /**
     * Prints a new line.
     */
    public void println() {
        logger.info("");
    }

    // Semantic logging methods with icons for upgrade operations

    /**
     * Logs a successful operation with a checkmark icon.
     */
    public void success(String message) {

          request()
            .header("Connection", "Upgrade")
            .header("Upgrade", "websocket")
            .header("Sec-WebSocket-Key", "abc123")
            .build(),
        ).execute()
    response.body.close()
    networkLogs
      .assertLogEqual("--> GET $url http/1.1")
      .assertLogEqual("Connection: Upgrade")
      .assertLogEqual("Upgrade: websocket")
      .assertLogEqual("Sec-WebSocket-Key: abc123")