+ System.getProperty("maven.home", "<unknown Maven " + "home>")))
                .append(ls);
        version.append("Java version: ")
                .append(System.getProperty("java.version", "<unknown Java version>"))
                .append(", vendor: ")
                .append(System.getProperty("java.vendor", "<unknown vendor>"))
                .append(", runtime: ")

     *
     * @param message The error message, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
     * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
     */
    public ModelParseException(String message, int lineNumber, int columnNumber) {
        super(message);
        this.lineNumber = lineNumber;

     *
     * @param message The error message, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
     * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
     */
    public SettingsParseException(String message, int lineNumber, int columnNumber) {
        super(message);
        this.lineNumber = lineNumber;

     *
     * @param message The error message, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
     * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
     */
    public ToolchainsParseException(String message, int lineNumber, int columnNumber) {
        super(message);
        this.lineNumber = lineNumber;

    /**
     *
     *
     *             The path/URL of the POM or {@code null} if
     * unknown.
     *
     *
     */
    private String location;

    /**
     *
     *
     *             The location of the POM from which this POM was
     * imported from or {@code null} if unknown.
     */
    private InputLocation importedFrom;

    // ----------------/
    // - Constructors -/

     *
     * @param message The error message, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
     * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
     */
    public MetadataParseException(String message, int lineNumber, int columnNumber) {
        super(message);
        this.lineNumber = lineNumber;

@Deprecated
public interface ArtifactTransferResource {

    /**
     * The base URL of the repository, e.g. "http://repo1.maven.org/maven2/". Unless the URL is unknown, it will be
     * terminated by a trailing slash.
     *
     * @return The base URL of the repository or an empty string if unknown, never {@code null}.
     */
    String getRepositoryUrl();

    /**
     * The path of the artifact relative to the repository's base URL.
     *

     * @param source The source of the problem, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
     * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
     * @param exception The exception that caused this problem, may be {@code null}.
     */
    // mkleint: does this need to be public?
    public DefaultModelProblem(

     */
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**

        buffer.append((groupId != null && !groupId.isEmpty()) ? groupId : "[unknown-group-id]");
        buffer.append(':');
        buffer.append((artifactId != null && !artifactId.isEmpty()) ? artifactId : "[unknown-artifact-id]");
        buffer.append(':');
        buffer.append((version != null && !version.isEmpty()) ? version : "[unknown-version]");

        return buffer.toString();
    }

    /**