// Create new Mac instance for thread safety without blocking other operations
            Mac mac;
            try {
                mac = createMacInstance();
            } catch (GeneralSecurityException e) {
                log.error("Failed to create Mac instance for signing", e);
                throw new RuntimeException("Failed to create Mac instance", e);
            }

### Target language

Translate to Japanese (日本語).

Language code: ja.

### Grammar and tone

- Use polite, instructional Japanese (です/ます調).
- Keep the tone concise and technical (match existing Japanese FastAPI docs).

### Headings

- Follow the existing Japanese style: short, descriptive headings (often noun phrases), e.g. 「チェック」.
- Do not add a trailing period at the end of headings.

### Quotes

                } catch (final SuggesterException e) {
                    logger.warn("Failed to generate popular words.", e);
                }

                return wordList;
            });
        } catch (final ExecutionException e) {
            logger.warn("Failed to load popular words.", e);
        }

  public void testAddAll_unsupportedNothing() {
    try {
      assertFalse(
          "addAll(nothing) should return false or throw", collection.addAll(emptyCollection()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_supportedNonePresent() {
    assertTrue(

 * and access mask are considered. If the ACE is a "deny"
 * ACE and <i>any</i> of the desired access bits match bits in the access
 * mask of the ACE, the whole access check fails. If the ACE is an "allow"
 * ACE and <i>all</i> of the bits in the desired access bits match bits in
 * the access mask of the ACE, the access check is successful. Otherwise,
 * more ACEs are evaluated until all desired access bits (combined)

    void resetSingleton() {
        try {
            Field instance = SingletonContext.class.getDeclaredField("INSTANCE");
            instance.setAccessible(true);
            instance.set(null, null);
        } catch (NoSuchFieldException | IllegalAccessException e) {
            log.error("Failed to reset SingletonContext instance", e);
            fail("Failed to reset SingletonContext instance: " + e.getMessage());
        }

        try {
            Field f = target.getClass().getDeclaredField(name);
            f.setAccessible(true);
            f.set(target, value);
        } catch (Exception e) {
            fail("Failed to set field '" + name + "'", e);
        }
    }

    /**
     * Helper for getting a field via reflection.
     */

            strategy.doApply(context, pomMap);

            // Verify correct behavior when version doesn't match:
            // - groupId should be removed (can be inferred from project regardless of version)
            // - version should remain (doesn't match project version, so can't be inferred)
            // - artifactId should remain (always required)

        mostRecentSnapshot = releasedVersions.latestReleaseSnapshot.gradleVersion()

        val testedVersions = previousVersions.filter { it.gradleVersion() >= lowestTestedVersion }
        // Only use latest patch release of each Gradle version
        allTestedVersions = testedVersions.map { VersionNumber.parse(it.gradleVersion().version) }
            .groupBy { "${it.major}.${it.minor}" }

                Files.copy(upgradedPropertiesJson, to.getAsFile().get().toPath(), StandardCopyOption.REPLACE_EXISTING);
            } else {
                to.getAsFile().get().delete();
            }
        } catch (IOException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }