/**
     * OpenJDK is reported to call MacOS X "Darwin"
     *
     * @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=44889">bugzilla issue</a>
     * @see <a href="https://issues.apache.org/jira/browse/HADOOP-3318">HADOOP-3318</a>
     */
    private static final String DARWIN = "darwin";

    /**
     * The path separator.
     */

      <id>kenney</id>
      <email>******@****.***</email>
      <roles>
        <role>Developer</role>
      </roles>
    </developer>
    <developer>
      <name>Carlos Sanchez</name>
      <id>carlos</id>
      <email>carlos@codehaus.org</email>
      <roles>
        <role>Developer</role>
      </roles>
    </developer>
    <developer>
      <name>Brett Porter</name>
      <id>brett</id>

      <id>kenney</id>
      <email>******@****.***</email>
      <roles>
        <role>Developer</role>
      </roles>
    </developer>
    <developer>
      <name>Carlos Sanchez</name>
      <id>carlos</id>
      <email>carlos@codehaus.org</email>
      <roles>
        <role>Developer</role>
      </roles>
    </developer>
    <developer>
      <name>Brett Porter</name>
      <id>brett</id>

     */
    void add(Problem.Severity severity, String message, int line, int column, Exception cause);

    /**
     * The next messages will be bound to this source. When calling this method again, previous messages keep
     * their source, but the next messages will use the new source.
     *
     * @param source a source
     */
    void setSource(String source);

    /**
     *

      <organization>ASF</organization>
      <roles>
        <role>PMC Member</role>
      </roles>
      <timezone>-5</timezone>
    </developer>
    <developer>
      <id>carlos</id>
      <name>Carlos Sanchez</name>
      <email>carlos@apache.org</email>
      <organization>ASF</organization>
      <roles>
        <role>PMC Member</role>
      </roles>
      <timezone>+1</timezone>
    </developer>

 *   <li>version range violations</li>
 *   <li>version circular dependencies</li>
 *   <li>missing artifacts</li>
 *   <li>network/transfer errors</li>
 *   <li>file system errors: permissions</li>
 * </ul>
 *
 * TODO carlos: all these possible has*Exceptions and get*Exceptions methods make the clients too
 *       complex requiring a long list of checks, need to create a parent/interface/encapsulation
 *       for the types of exceptions
 */

r<? super T>... itemMatchers) { return org.hamcrest.core.IsCollectionContaini.<T>hasItems(itemMatchers); } /** * Creates a matcher that matches when the examined object is logically equal to the specified * <code>operand</code>, as determined by calling the {@link java.lang.Object#equals} method on * the <b>examined</b> object. * * <p>If the specified operand is <code>null</code> then the created matcher will only match if * the examined object's <code>equals</code> method returns <code>true</code>...

        // explicit child override depMgmt (viz. depMgmt should only
        // provide defaults to children, but should override transitives).
        // We can do this by calling isChildOfRootNode on the current node.
        if ((artifact.getVersion() != null)
                && (!node.isChildOfRootNode() || node.getArtifact().getVersion() == null)) {

      <id>kenney</id>
      <email>******@****.***</email>
      <roles>
        <role>Developer</role>
      </roles>
    </developer>
    <developer>
      <name>Carlos Sanchez</name>
      <id>carlos</id>
      <email>carlos@codehaus.org</email>
      <roles>
        <role>Developer</role>
      </roles>
    </developer>
    <developer>
      <name>Brett Porter</name>
      <id>brett</id>

/**
 * Collects problems that are encountered during model building. The primary purpose of this component is to account for
 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide
 * an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before