}
            return entity;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        return asJson(new ApiUpdateResponse().id(reqHeader.getId()).created(true).status(Status.OK).result());
    }

    /**

            }
            return entity;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        return asJson(new ApiUpdateResponse().id(webAuth.getId()).created(true).status(Status.OK).result());
    }

    /**

        return DoubleMath.factorial(n);
      }

      @Override
      public int gcdInt(int a, int b) {
        return IntMath.gcd(a, b);
      }

      @Override
      public long gcdLong(long a, long b) {
        return LongMath.gcd(a, b);
      }

      @Override
      public long binomialCoefficient(int n, int k) {
        return LongMath.binomial(n, k);
      }

            paramWordsRead = 10;
            return paramWordsRead;
        }

        @Override
        protected int readBytesWireFormat(byte[] src, int srcIndex) {
            bytesRead = 20;
            return bytesRead;
        }

        @Override
        public boolean isRetainPayload() {
            return retainPayload;
        }

        @Override
        public void setRawPayload(byte[] payload) {

            return ImmutableList.of(1, 2).iterator();
          }
        };
    assertFailure(tester);
  }

  public void testUnknownOrder() {
    new IteratorTester<Integer>(
        3, MODIFIABLE, newArrayList(1, 2), IteratorTester.KnownOrder.UNKNOWN_ORDER) {
      @Override
      protected Iterator<Integer> newTargetIterator() {
        return newArrayList(2, 1).iterator();
      }

 * to half-width and to convert any characters to lowercase, ensuring consistency in the output.
 * </p>
 *
 * <p>
 * Example:
 * For the input "キャ", the converter might return a list containing "kya".
 * For the input "ジュ", the converter might return a list containing "zyu", "ju", and "jyu".
 * </p>
 *
 */
public class KatakanaToAlphabetConverter implements ReadingConverter {
    private final Map<String, String[]> convertMap;

    Iterator<Entry<E>> entryIterator = entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();
    return Multisets.immutableEntry(entry.getElement(), entry.getCount());
  }

  @Override
  public @Nullable Entry<E> lastEntry() {
    return delegate().lastEntry();
  }

  /**
   * A sensible definition of {@link #lastEntry()} in terms of {@code

  protected @Nullable E standardPollLast() {
    return Iterators.pollNext(descendingIterator());
  }

  @ParametricNullness
  protected E standardFirst() {
    return iterator().next();
  }

  @ParametricNullness
  protected E standardLast() {
    return descendingIterator().next();
  }

  @Override
  public NavigableSet<E> descendingSet() {
    return delegate().descendingSet();
  }

  /**

    checkNotNull(map); // GWT specific check (do not optimize)
    if (map.isEmpty()) {
      return EMPTY_REPLACEMENT_ARRAY;
    }
    char max = max(map.keySet());
    char[][] replacements = new char[max + 1][];
    for (Character c : map.keySet()) {
      replacements[c] = map.get(c).toCharArray();
    }
    return replacements;
  }

  // Immutable empty array for when there are no replacements.

     *
     * @return the user code string, or null if no valid session exists
     */
    public String getUserCode() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            String userCode = (String) request.getAttribute(Constants.USER_CODE);
            if (StringUtil.isNotBlank(userCode)) {
                return userCode;
            }