}
        return sb.toString();
      }
    },
    // It really seems like this should be faster than TO_BYTE_ARRAY_NEW_STRING.  But it just isn't
    // my best guess is that the jdk authors have spent more time optimizing that callpath than this
    // one. (StringCoding$StringDecoder vs. StreamDecoder).  StringCoding has a ton of special cases

    return longBitsToDouble(significand | ONE_BITS);
  }

  static double bigToDouble(BigInteger x) {
    // This is an extremely fast implementation of BigInteger.doubleValue(). JDK patch pending.
    BigInteger absX = x.abs();
    int exponent = absX.bitLength() - 1;
    // exponent == floor(log2(abs(x)))
    if (exponent < Long.SIZE - 1) {
      return x.longValue();

        }
        return sb.toString();
      }
    },
    // It really seems like this should be faster than TO_BYTE_ARRAY_NEW_STRING.  But it just isn't
    // my best guess is that the jdk authors have spent more time optimizing that callpath than this
    // one. (StringCoding$StringDecoder vs. StreamDecoder).  StringCoding has a ton of special cases

# - Visual Studio 2022 Build Tools
# - MSVC 14.39
# - LLVM/Clang 18.1.4
# - MSYS2 + curl, git, patch, vim, unzip, zip
# - Python 3.9 - 3.14
# - Bazelisk 1.22.1
# - JDK 21 (Azul Zulu)

FROM mcr.microsoft.com/windows/servercore:ltsc2022

SHELL ["powershell.exe", "-ExecutionPolicy", "Bypass", "-Command", \

    // TODO(lukes): assert that the logs are full of errors
  }

  /**
   * Runs the corresponding {@link FuturesTest} test method in a new classloader that disallows
   * certain core JDK classes.
   */
  private void runTestMethod(ClassLoader classLoader) throws Exception {
    ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();

   * application class loader.
   *
   * NOTE: The tests for this behavior (FinalizableReferenceQueueClassLoaderUnloadingTest) fail
   * strangely when run in JDK 9. We are considering this a known issue. Please see
   * https://github.com/google/guava/issues/3086 for more information.
   */

 * in the Maven configuration.
 * </p>
 *
 * <p>
 * The following are key functionalities provided by the Toolchain interface:</p><ul>
 *   <li>Access to the type of the toolchain (e.g., JDK, compiler).</li>
 *   <li>Retrieval of the specific version of the toolchain.</li>
 *   <li>Configuration of toolchain properties to match the project's requirements.</li>
 * </ul>
 *
 * <p>Example usage:</p>
 * <pre>

        findLatest("junit-jupiter", "org.junit.jupiter:junit-jupiter-api:[5,)", versionProperties)
        findLatest("testng", "org.testng:testng:[6.0,7.6.0)", versionProperties) // TestNG 7.6.0 and above require JDK 11; see https://groups.google.com/g/testng-users/c/BAFB1vk-kok
        findLatest("slf4j", "org.slf4j:slf4j-api:[2.0.17,)", versionProperties)

                );
            }
        }
    }

    public void testLocalBwcArchives() {
        for (Platform platform : Platform.values()) {
            // note: no non bundled jdk for bwc
            String configName = projectName(platform.toString(), true);
            configName += (platform == Platform.WINDOWS ? "-zip" : "-tar");

if ERRORLEVEL 1 (
    echo Error: Apache Maven 4.x requires Java 17 or newer to run. >&2
    "%JAVACMD%" -version >&2
    echo Please upgrade your Java installation or set JAVA_HOME to point to a compatible JDK. >&2
    goto error
)

:chkMHome
set "MAVEN_HOME=%~dp0"
set "MAVEN_HOME=%MAVEN_HOME:~0,-5%"
if "%MAVEN_HOME%"=="" goto error

:checkMCmd
if not exist "%MAVEN_HOME%\bin\mvn.cmd" goto error