* with a {@code com.google.common} type.
 *
 * @author Louis Wasserman
 * @since 21.0
 */
@GwtCompatible
public final class MoreCollectors {

  /*
   * TODO(lowasser): figure out if we can convert this to a concurrent AtomicReference-based
   * collector without breaking j2cl?
   */
  private static final Collector<Object, ?, Optional<Object>> TO_OPTIONAL =
      Collector.of(
          ToOptionalState::new,

   * ParametricNullness parametric nullness}. Sometimes, code may receive a null {@code T} but store
   * a "null sentinel" to take its place. When the time comes to convert it back to a {@code T} to
   * return to a caller, the code needs to a way to return {@code null} from a method that returns
   * "plain {@code T}." This API provides that.
   */

        assertDoesNotThrow(() -> {
            SmbException exception = new SmbException((String) null);
            assertNotNull(exception);
        });
    }

    @Test
    @DisplayName("Should convert to string properly")
    void testToString() {
        // Given
        String message = "Test error message";
        SmbException exception = new SmbException(message);

        // When

                return true;
            });
        }
        return Collections.emptyList();
    }

    /**
     * Converts a string to lowercase.
     *
     * @param term The string to convert.
     * @return The lowercase string.
     */
    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

        sb.append(dm).append(userSessionId);
        sb.append(dm).append(virtualHost);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");
        return sb.toString();
    }

    // ===================================================================================

   * ImmutableSortedSet.copyOf(elements)}; if you want a {@code List} you can use its {@code
   * asList()} view.
   *
   * <p><b>Java 8+ users:</b> If you want to convert a {@link java.util.stream.Stream} to a sorted
   * {@code ImmutableList}, use {@code stream.sorted().collect(toImmutableList())}.
   *
   * @throws NullPointerException if any element in the input is null
   * @since 21.0

     * Creates an edit body from a file configuration entity for API responses.
     * Processes permissions and virtual hosts for proper display formatting.
     *
     * @param entity the file configuration entity to convert
     * @return edit body containing the entity data
     */
    protected EditBody createEditBody(final FileConfig entity) {
        final EditBody body = new EditBody();
        copyBeanToBean(entity, body, copyOp -> {

     * Appends the hexadecimal string representation of a number to the given StringBuilder.
     *
     * @param buf
     *            the StringBuilder to append to
     * @param i
     *            the number to convert
     */
    public static void appendHex(final StringBuilder buf, final byte i) {
        buf.append(Character.forDigit((i & 0xf0) >> 4, 16));
        buf.append(Character.forDigit(i & 0x0f, 16));
    }

        sb.append(dm).append(updatedTime);
        sb.append(dm).append(virtualHosts);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");
        return sb.toString();
    }

    // ===================================================================================

    }

    /**
     * Creates an EditBody from a ScheduledJob entity.
     *
     * @param entity the scheduled job entity to convert
     * @return the converted EditBody
     */
    protected EditBody createEditBody(final ScheduledJob entity) {
        final EditBody body = new EditBody();