final boolean result = testClient.reindexConfigIndices(false, configOnly);

        assertTrue(result);
        // Only fess_config indices should be rebuilt (2 config indices: scheduled_job, access_token)
        // Each creates 2 indices (backup + rebuild) = 4 creates
        assertEquals("Only fess_config indices should be rebuilt", 4, testClient.createdIndices.size());

                // 6. Recreate aliases on the rebuilt index
                createAlias(configIndex, indexName);

                // 7. Delete backup
                deleteIndex(backupIndex);

                logger.info("[Rebuild] Completed rebuild for {}", indexName);
            } catch (final Exception e) {
                logger.warn("[Rebuild] Failed to rebuild index: {}", indexName, e);

      }
    }
  }

  private fun readJournalLines(): List<String> {
    val result = mutableListOf<String>()
    filesystem.read(journalFile) {
      while (true) {
        val line = readUtf8Line() ?: break
        result.add(line)
      }
    }
    return result
  }

  private fun getCleanFile(
    key: String,
    index: Int,
  ) = cacheDir / "$key.$index"

func recover() any

// The print built-in function formats its arguments in an
// implementation-specific way and writes the result to standard error.
// Print is useful for bootstrapping and debugging; it is not guaranteed
// to stay in the language.
func print(args ...Type)

// The println built-in function formats its arguments in an
// implementation-specific way and writes the result to standard error.

    /**
     * Logs script execution to the audit log.
     *
     * @param script the script content that was executed
     * @param result the execution result (e.g., "success" or "failure:ExceptionType")
     */
    protected void logScriptExecution(final String script, final String result) {
        if (!scriptAuditLogEnabled) {
            return;
        }
        try {
            String source = "unknown";

    }

    Map<K, ImmutableCollection.Builder<V>> ensureBuilderMapNonNull() {
      Map<K, ImmutableCollection.Builder<V>> result = builderMap;
      if (result == null) {
        result = Platform.preservesInsertionOrderOnPutsMap();
        builderMap = result;
      }
      return result;
    }

    ImmutableCollection.Builder<V> newValueCollectionBuilderWithExpectedSize(int expectedSize) {

    ImmutableList<String> result = builder.build();

    /*
     * Maybe it rejects all elements, or maybe it adds "a" before failing.
     * Either way is fine with us.
     */
    if (result.isEmpty()) {
      return;
    }
    assertTrue(ImmutableList.of("a").equals(result));
    assertEquals(1, result.size());
  }

  public void testBuilderAddCollectionHandlesNulls() {

    }

    Map<K, ImmutableCollection.Builder<V>> ensureBuilderMapNonNull() {
      Map<K, ImmutableCollection.Builder<V>> result = builderMap;
      if (result == null) {
        result = Platform.preservesInsertionOrderOnPutsMap();
        builderMap = result;
      }
      return result;
    }

    ImmutableCollection.Builder<V> newValueCollectionBuilderWithExpectedSize(int expectedSize) {

     * use `get(key) ?: defaultValue` instead of this method, anyway.
     */
    V result = get(key);
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (result != null) {
      return result;
    } else {
      return defaultValue;
    }
  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<Entry<K, V>> entrySet;

  /**

    ImmutableList<String> result = builder.build();

    /*
     * Maybe it rejects all elements, or maybe it adds "a" before failing.
     * Either way is fine with us.
     */
    if (result.isEmpty()) {
      return;
    }
    assertTrue(ImmutableList.of("a").equals(result));
    assertEquals(1, result.size());
  }

  public void testBuilderAddCollectionHandlesNulls() {