.build();
    }

    /**
     * Returns a new builder for creating XmlNode instances.
     *
     * @return a new Builder instance
     */
    static Builder newBuilder() {
        return new Builder();
    }

    /**
     * Builder class for creating XmlNode instances.
     * <p>
     * This builder provides a fluent API for setting the various properties of an XML node.

 * This class provides factory methods for creating instances of extensible enums
 * such as Language, PathScope, and ProjectScope.
 *
 * @since 4.0.0
 */
abstract class ExtensibleEnums {

    /**
     * Creates a new Language instance with the specified ID.
     *
     * @param id the identifier for the language
     * @return a new Language instance
     */
    static Language language(String id) {

/**
 * Factory interface for creating toolchain instances from configuration models.
 *
 * <p>This factory is responsible for instantiating concrete toolchain implementations
 * based on toolchain model configurations or default settings.</p>
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface ToolchainFactory {
    /**
     * Creates a toolchain instance from the provided model configuration.
     *

 * returned.
 *
 * <p>All default instances returned by {@link #get} are generics-safe. Clients won't get type
 * errors for using {@code get(Comparator.class)} as a {@code Comparator<Foo>}, for example.
 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for
 * number types; reasonable default instance for other stateless types. For mutable types, a fresh

   * may be false for some instances where the statistics are mathematically equal, including
   * instances constructed from the same values in a different order... or (in the general case)
   * even in the same order. (It is guaranteed to return true for instances constructed from the
   * same values in the same order if {@code strictfp} is in effect, or if the system architecture

        // Two distinct auth instances
        NtlmPasswordAuthentication a1 = new NtlmPasswordAuthentication("DOM", "user", "pwd");
        NtlmPasswordAuthentication a2 = new NtlmPasswordAuthentication("DOM", "user", "pwd");
        SmbSession s1 = new SmbSession(addr, 445, inet, 0, a1);
        SmbSession s2 = new SmbSession(addr, 445, inet, 0, a2);
        // same auth instance => matches
        assertTrue(s1.matches(a1));

    }

    // Test thread safety
    public void test_threadSafety() {
        // Test that the provider returns the same instances in multi-threaded environment
        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];
        final InvertibleCryptographer[] invertibles = new InvertibleCryptographer[threadCount];

   * identically to this equivalence.
   *
   * <p><b>Warning: do not depend</b> on the behavior of this method.
   *
   * <p>Historically, {@code Equivalence} instances in this library have implemented this method to
   * recognize certain cases where distinct {@code Equivalence} instances would in fact behave
   * identically. However, as code migrates to {@code java.util.function}, that behavior will
   * disappear. It is best not to depend on it.
   */

    return super.toString();
  }

  private static boolean isProxyOfSameInterfaces(Object arg, Class<?> proxyClass) {
    return proxyClass.isInstance(arg)
        // Equal proxy instances should mostly be instance of proxyClass
        // Under some edge cases (such as the proxy of JDK types serialized and then deserialized)
        // the proxy type may not be the same.

   * through java serialization. However, floating point rounding errors mean that it may be false
   * for some instances where the statistics are mathematically equal, including instances
   * constructed from the same values in a different order... or (in the general case) even in the
   * same order. (It is guaranteed to return true for instances constructed from the same values in