Subject second = auth.getSubject();
        if (first == null && second == null) {
            // Both null - caching is working
            assertNull(second, "Second getSubject should return same result as first (both null)");
        } else if (first != null && second != null) {
            // Both non-null - should be same instance

        return newArray;
    }

    /**
     * Returns an array that is the concatenation of two arrays.
     * <p>
     * If either or both arrays are {@literal null}, the other array is returned as is.
     * If either or both arrays have a length of {@literal 0}, the other array is returned as is.
     * In any case, the returned array is the same instance as the argument array and is not copied.
     * </p>

    public void testConstructorWithMessageAndCause() {
        // Create exception with both message and cause
        String message = "Transport error occurred";
        IllegalStateException rootCause = new IllegalStateException("State error");
        TransportException exception = new TransportException(message, rootCause);

        // Verify both message and cause are set correctly

    }

    /**
     * Registers a data store instance with the factory using the specified name.
     * The data store will be accessible by both the provided name and its class simple name,
     * both converted to lowercase for case-insensitive lookup.
     *
     * @param name the name to register the data store under, must not be null

    }

    /**
     * Test the constructor with both a message and a cause.
     */
    @Test
    void testMessageAndCauseConstructor() {
        String errorMessage = "This is a test error message.";
        Throwable cause = new RuntimeException("Root cause");
        PACDecodingException e = new PACDecodingException(errorMessage, cause);
        // Expect both the message and the cause to be set correctly

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

    /**
     * Returns true if the two objects are equal, or both are null.
     *
     * @param object1 the first object
     * @param object2 the second object
     * @return true if equal or both null, false otherwise
     */
    public static boolean equals(final Object object1, final Object object2) {
        if (object1 == object2) {

 * text during indexing and search operations.
 *
 * <p>Each mapping item consists of one or more input character sequences that are mapped to a single output
 * character sequence. The mapping supports both original values and new values for update operations.</p>
 */
public class CharMappingItem extends DictionaryItem {
    /**
     * Array of input character sequences that will be mapped to the output sequence.

        return groupBhv.selectByPK(id).map(g -> {
            ComponentUtil.getLdapManager().apply(g);
            return g;
        });
    }

    /**
     * Stores a group by inserting or updating it in both LDAP and the database.
     * Uses refresh policy to ensure immediate availability of the stored data.
     *
     * @param group the group entity to store
     */
    public void store(final Group group) {

                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.QUERY);

        // Both Document and Query (simulated by setting both frequencies)
        String[][] readings3 = new String[1][];
        readings3[0] = new String[] { "both" };
        items[2] = new SuggestItem(new String[] { "両方" }, readings3, new String[] { "content" }, 1L, 1L, -1.0f, new String[] { "tag1" },

    /**
     * File information class for both names directory information.
     */
    public static final byte FILE_BOTH_DIRECTORY_INFO = 0x03;

    /**
     * File information class for file names only.
     */
    public static final byte FILE_NAMES_INFO = 0x0C;

    /**
     * File information class for both names with file IDs.
     */