s.identifier_authority = Arrays.copyOf(identAuth, 6);
        s.sub_authority = Arrays.copyOf(subs, subs.length);
        return s;
    }

    @Nested
    @DisplayName("Basic Constructor and Utility Tests")
    class BasicTests {

        @Test
        @DisplayName("Textual constructor happy path and toString consistency")
        void testTextualConstructorAndToString() throws Exception {
            // Arrange

import org.codelibs.core.exception.NoSuchPaddingRuntimeException;
import org.codelibs.core.exception.UnsupportedEncodingRuntimeException;
import org.codelibs.core.misc.Base64Util;

/**
 * A utility class for encrypting and decrypting data using a cached {@link Cipher} instance.
 */
public class CachedCipher {

    /**
     * Creates a new {@link CachedCipher} instance.
     */
    public CachedCipher() {

         * Class argument that this test uses. Normally we'd fix that by declaring a
         * ReflectionFreeAssertThrowsTest with a testNulls method, but that's annoying to have to do
         * for a package-private utility class. So we skip the class entirely instead.
         */
        continue;
      }
      try {
        tester.doTestNulls(classToTest, visibility);
      } catch (Throwable e) {

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Comparator;

/**
 * Static utility methods pertaining to {@code long} primitives that interpret values as
 * <i>unsigned</i> (that is, any negative value {@code x} is treated as the positive value {@code

import java.util.NoSuchElementException;

import org.codelibs.core.exception.ClUnsupportedOperationException;
import org.codelibs.core.exception.ParseRuntimeException;
import org.codelibs.core.misc.LocaleUtil;

/**
 * Utility for converting objects that represent only dates to {@link Date}, {@link Calendar}, or {@link java.sql.Date}.
 * <p>

    return ImmutableSet.copyOf(elements);
  }

  private static <E> List<E> list(E... elements) {
    return ImmutableList.copyOf(elements);
  }

  /**
   * Utility method to verify that the given LinkedHashSet is equal to and hashes identically to a
   * set constructed with the elements in the given collection. Also verifies that the ordering in

    return None.INSTANCE;
  }

  /**
   * Determines whether a character is whitespace according to the latest Unicode standard, as
   * illustrated <a
   * href="http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5Cp%7Bwhitespace%7D">here</a>.
   * This is not the same definition used by other Java APIs. (See a <a

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.VisibleForTesting;
import java.util.logging.Logger;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code String} or {@code CharSequence} instances.
 *
 * @author Kevin Bourrillion
 * @since 3.0
 */
@GwtCompatible
public final class Strings {
  private Strings() {}

  /**

import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Collection;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to object arrays.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible
@SuppressWarnings("AvoidObjectArrays")
public final class ObjectArrays {

  private ObjectArrays() {}

import java.lang.reflect.Modifier;
import java.lang.reflect.Type;

import org.codelibs.core.exception.IllegalAccessRuntimeException;
import org.codelibs.core.exception.InvocationTargetRuntimeException;

/**
 * Utility class for method operations.
 *
 * @author higa
 */
public abstract class MethodUtil {

    /**
     * Do not instantiate.
     */
    protected MethodUtil() {
    }

    /**