Map<String, Dependency> normalized = new LinkedHashMap<>(dependencies.size() * 2);

        for (Dependency dependency : dependencies) {
            normalized.put(dependency.getManagementKey(), dependency);
        }

        if (dependencies.size() != normalized.size()) {
            model.setDependencies(new ArrayList<>(normalized.values()));
        }
    }

    /**
     * DuplicateMerger

     * @return The normalized URL or {@code null} if the input was {@code null}.
     */
    String normalize(String url);

    }

    private UrlNormalizer normalizer;

    UrlNormalizingPostProcessor(UrlNormalizer normalizer) {
        this.normalizer = normalizer;
    }

    @Override
    public Object execute(String expression, Object value) {
        if (value != null && URL_EXPRESSIONS.contains(expression)) {
            return normalizer.normalize(value.toString());
        }

        return null;
    }

     * @param request The model building request that holds further settings, must not be {@code null}.
     */
    void normalize(Model model, ModelBuildingRequest request);

                    }
                    normalized = true;
                } else {
                    repos.add((ArtifactRepository) repository);
                }
            }

            if (normalized) {
                return repos;
            }
        }

        return (List<ArtifactRepository>) repositories;
    }

    val gradleInstallationForTest = project.objects.newInstance(GradleInstallationForTestEnvironmentProvider::class.java)

    /**
     * A 'normalized' distribution to test against if needed
     */
    @Internal
    val normalizedDistributionZip = DistributionZipEnvironmentProvider(project, "normalized")

    /**
     * A 'bin' distribution to test - for integration tests testing the final distributions
     */
    @Internal

        return directory;
    }

    /**
     * Resolves against current cwd, resulting path is normalized.
     *
     * @throws NullPointerException if {@code seg} is {@code null}.
     */
    @Nonnull
    public Path resolve(String seg) {
        requireNonNull(seg, "seg");
        return directory.resolve(seg).normalize();
    }

    /**
     * Changes current cwd, if the new path is existing directory.
     *

     * env.PATH}. Unlike native environment variables, properties are always case-sensitive. For the sake of
     * determinism, the environment variable names will be normalized to upper case on platforms with case-insensitive
     * variable lookup.
     *
     * @param props The properties to add the environment variables to, may be {@code null}.
     */

	if isGroup {
		dnValidator = sys.LDAPConfig.GetValidatedGroupDN
	}

	// map of normalized DN keys to original keys.
	normalizedDNKeysMap := make(map[string][]string)
	var collectedErrors []error
	var skipped []string
	for k := range policyMap {
		_, err := ldap.NormalizeDN(k)
		if err != nil {
			// not a valid DN, ignore.
			continue
		}

  while (!bufferA.exhausted()) {
    val codePoint = bufferA.readUtf8CodePoint()
    if (!IDNA_MAPPING_TABLE.map(codePoint, bufferB)) return null
  }

  // 2. Normalize, from bufferB to bufferA.
  val normalized = normalizeNfc(bufferB.readUtf8())
  bufferA.writeUtf8(normalized)

  // 3. For each label, convert/validate Punycode.
  val decoded = Punycode.decode(bufferA.readUtf8()) ?: return null

  // 4.1 Validate.