* @param line The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */
    void add(Problem.Severity severity, String message, int line, int column, Exception cause);

    /**

     */
    int getLineNumber();

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

    /**

    public void setSource(String source) {
        this.source = source;
    }

    @Override
    public void add(Problem.Severity severity, String message, int line, int column, Exception cause) {
        Problem problem = new DefaultProblem(message, severity, source, line, column, cause);

        problems.add(problem);
    }

     * returns -1 if none is available.
     * @return the current line number
     */
    int getLineNumber();

    /**
     * Return the column number where the current event ends,
     * returns -1 if none is available.
     * @return the current column number
     */
    int getColumnNumber();

    /**
     * Return the byte or character offset into the input source this location

void <clinit>(); } org/codehaus/plexus/util/xml/pull/XmlPullParserExcepti.class package org.codehaus.plexus.util.xml.pull; public synchronized class XmlPullParserExcepti extends Exception { protected Throwable detail; protected int row; protected int column; public void XmlPullParserExcepti(String); public void XmlPullParserExcepti(String, XmlPullParser, Throwable); public Throwable getDetail(); public int getLineNumber(); public int getColumnNumber(); public void printStackTrace(); } org/codehaus/p...

void <clinit>(); } org/codehaus/plexus/util/xml/pull/XmlPullParserExcepti.class package org.codehaus.plexus.util.xml.pull; public synchronized class XmlPullParserExcepti extends Exception { protected Throwable detail; protected int row; protected int column; public void XmlPullParserExcepti(String); public void XmlPullParserExcepti(String, XmlPullParser, Throwable); public Throwable getDetail(); public int getLineNumber(); public int getColumnNumber(); public void printStackTrace(); } org/codehaus/p...

        </codeSegment>
      </codeSegments>
    </class>
    <class locationTracker="locations">
      <name>InputLocation</name>
      <version>4.0.0/4.0.99</version>
      <fields>
        <!-- line, column and source fields are auto-generated by Modello -->
      </fields>
      <codeSegments>
        <codeSegment>
          <version>4.0.0+</version>
          <code>
            <![CDATA[

     */
    int getLineNumber();

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

    /**

     * @param lineNumber The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param columnNumber The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param exception The exception that caused this problem, may be {@code null}.
     */
    DefaultProblem(

                .appendText(formatLocation(columnNumber, lineNumber));
    }

    private String formatLocation(int columnNumber, int lineNumber) {
        return String.format("line %d, column %d", lineNumber, columnNumber);
    }

    @Override
    public void describeMismatch(final Object o, final Description description) {
        if (!(o instanceof ProjectBuildingResult)) {