}
        return target;
    }

    private String toString(Dependency dependency) {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder
                .append(dependency.getGroupId())
                .append(":")
                .append(dependency.getArtifactId())
                .append(":")

        return message;
    }

    @Override
    public Severity getSeverity() {
        return severity;
    }

    @Override
    public String getLocation() {
        StringBuilder buffer = new StringBuilder(256);
        if (getSource() != null && !getSource().isEmpty()) {
            buffer.append(getSource());
        }
        if (getLineNumber() > 0) {
            if (!buffer.isEmpty()) {

            if (parentData == null) {
                currentData = superData;
            } else if (!parentIds.add(parentData.id())) {
                StringBuilder message = new StringBuilder("The parents form a cycle: ");
                for (String parentId : parentIds) {
                    message.append(parentId).append(" -> ");
                }

    }

    public LocalRepository getRepository() {
        return repository;
    }

    public String getPathForLocalArtifact(Artifact artifact) {
        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getGroupId()).append('/');

        path.append(artifact.getExtension()).append("s/");

     * @return The user-friendly source hint, never {@code null}.
     */
    static String toSourceHint(Model model) {
        if (model == null) {
            return "";
        }
        StringBuilder buffer = new StringBuilder(128);
        buffer.append(toId(model));
        Path pomPath = model.getPomFile();
        if (pomPath != null) {
            buffer.append(" (").append(pomPath).append(')');
        }

        }

        private String appendPath(String parentUrl, String childPath, String pathAdjustment) {
            StringBuilder url = new StringBuilder(parentUrl.length()
                    + pathAdjustment.length()
                    + childPath.length()
                    + (pathAdjustment.isEmpty() ? 1 : 2));

            url.append(parentUrl);

        return severity;
    }

    public Version getVersion() {
        return version;
    }

    @Override
    public String toString() {
        StringBuilder buffer = new StringBuilder(128);

        buffer.append('[').append(getSeverity()).append("] ");
        buffer.append(getMessage());
        String location = ModelProblemUtils.formatLocation(this, null);

    List<Object> extras;

    ToOptionalState() {
      element = null;
      extras = emptyList();
    }

    IllegalArgumentException multiples(boolean overflow) {
      StringBuilder sb =
          new StringBuilder().append("expected one element but was: <").append(element);
      for (Object o : extras) {
        sb.append(", ").append(o);
      }
      if (overflow) {
        sb.append(", ...");
      }

        AbstractRepositoryMetadata repoMetadata = (AbstractRepositoryMetadata) metadata;
        this.metadata.merge(repoMetadata.getMetadata());
    }

    public String extendedToString() {
        StringBuilder buffer = new StringBuilder(256);

        buffer.append(LS).append("Repository Metadata").append(LS).append("--------------------------");
        buffer.append(LS).append("GroupId: ").append(getGroupId());

        }

        return this;
    }

    public String toString() {
        if (!modelIds.isEmpty()) {
            String modelId = modelIds.get(0);
            StringBuilder sb = new StringBuilder();
            sb.append(problems.size())
                    .append(
                            (problems.size() == 1)
                                    ? " problem was "