this.expectedValuesPerKey = expectedValuesPerKey;
  }

  private ArrayListMultimap(Multimap<? extends K, ? extends V> multimap) {
    this(
        multimap.keySet().size(),
        (multimap instanceof ArrayListMultimap)
            ? ((ArrayListMultimap<?, ?>) multimap).expectedValuesPerKey
            : DEFAULT_VALUES_PER_KEY);
    putAll(multimap);
  }

  /**

                props.put(overrideName, substVars(value, name, props, callback));
            } else {
                props.put(name, substVars(value, name, props, callback));
            }
        }
        props.keySet().removeIf(k -> k.startsWith(OVERRIDE_PREFIX));
    }

    private static MavenProperties loadPropertiesFile(Path path, boolean failIfNotFound, UnaryOperator<String> callback)
            throws IOException {

        final Map<String, Object> res = JsonPath.from(response).getMap("response");

        // Log all available stats fields for debugging
        logger.info("Available stats fields: {}", res.keySet());

        // Verify response contains meaningful data
        assertNotNull(res, "Stats response should not be null");
        assertTrue(res.size() > 0, "Stats should contain at least some data");

    }
    if (map instanceof EnumHashBiMap) {
      return ((EnumHashBiMap<K, ?>) map).keyTypeOrObjectUnderJ2cl;
    }
    checkArgument(!map.isEmpty());
    return getDeclaringClassOrObjectForJ2cl(map.keySet().iterator().next());
  }

  private static <V extends Enum<V>> Class<V> inferValueTypeOrObjectUnderJ2cl(Map<?, V> map) {
    if (map instanceof EnumBiMap) {

    }
    if (map instanceof EnumHashBiMap) {
      return ((EnumHashBiMap<K, ?>) map).keyTypeOrObjectUnderJ2cl;
    }
    checkArgument(!map.isEmpty());
    return getDeclaringClassOrObjectForJ2cl(map.keySet().iterator().next());
  }

  private static <V extends Enum<V>> Class<V> inferValueTypeOrObjectUnderJ2cl(Map<?, V> map) {
    if (map instanceof EnumBiMap) {

            logSummary(context, result);

            return result;
        } catch (Exception e) {
            context.failure("Strategy execution failed: " + e.getMessage());
            return UpgradeResult.failure(pomMap.keySet(), Set.of());
        } finally {
            context.unindent();
        }
    }

    /**
     * Subclasses implement the actual upgrade logic here.
     *
     * @param context the upgrade context

        }
        if (props.isEmpty() == false) {
            throw new InvalidUserDataException("Unknown arguments for ForbiddenPatterns rule mapping: " + props.keySet().toString());
        }
        // TODO: fail if pattern contains a newline, it won't work (currently)
        patterns.put(name, pattern);
    }

    @Internal

    this.expectedValuesPerKey = expectedValuesPerKey;
  }

  private HashMultimap(Multimap<? extends K, ? extends V> multimap) {
    super(Platform.newHashMapWithExpectedSize(multimap.keySet().size()));
    putAll(multimap);
  }

  /**
   * {@inheritDoc}
   *
   * <p>Creates an empty {@code HashSet} for a collection of values for one key.
   *

  }

  private void testHasMapEntriesInOrder(Map<?, ?> map, Object... alternatingKeysAndValues) {
    List<? extends Entry<?, ?>> entries = new ArrayList<>(map.entrySet());
    List<Object> keys = new ArrayList<>(map.keySet());
    List<Object> values = new ArrayList<>(map.values());
    assertThat(alternatingKeysAndValues).hasLength(2 * entries.size());
    assertThat(alternatingKeysAndValues).hasLength(2 * keys.size());

            for (String extension : checksums.keySet()) {
                ChecksumObserver observer = checksums.get(extension);
                sums.put(extension, observer.getActualChecksum());
            }

            // We do this in here so we can checksum the artifact metadata too, otherwise it could be metadata itself
            for (String extension : checksums.keySet()) {