<!-- NOTE: Explicitly reference "default" id here -->
            <id>default</id>
            <phase>child-default</phase>
          </execution>
          <execution>
            <id>non-default</id>
            <phase>child-non-default</phase>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

     * Note: only one, this method or {@link #getRecommendedVersion()} method must return non-{@code null} value.
     */
    @Nullable
    VersionRange getVersionRange();

    /**
     * Returns the recommended version of this constraint, or {@code null} if none.
     * <p>
     * Note: only one, this method or {@link #getVersionRange()} method must return non-{@code null} value.
     */
    @Nullable
    Version getRecommendedVersion();

        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }
        try {
            InputSource source = null;
            if (request.getModelId() != null || request.getLocation() != null) {
                source = new InputSource(request.getLocation());

  <name>Maven Integration Test :: MNG-4193</name>
  <description>
    Test that multiple artifact repository declarations with the same id cause a validation error even if the
    repositories are defined within a (non-active) profile.
  </description>

  <profiles>
    <profile>
      <id>test</id>
      <repositories>
        <repository>
          <id>one</id>
          <url>https://repo1.maven.org/maven2</url>

        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }
        try {
            InputSource source = null;
            if (request.getModelId() != null || request.getLocation() != null) {
                source = new InputSource(request.getLocation());

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     */
    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();

 * or module hierarchy, but not module source hierarchy. The latter is excluded because this class
 * is for path elements of compiled codes.
 */
class PathModularization {
    /**
     * A unique constant for all non-modular dependencies.
     */
    public static final PathModularization NONE = new PathModularization();

    /**
     * Name of the file to use as a sentinel value for deciding if a directory or a JAR is modular.
     */

        InputStream inputStream = request.getInputStream();
        if (path == null && url == null && reader == null && inputStream == null) {
            throw new IllegalArgumentException("path, url, reader or inputStream must be non null");
        }
        try {
            PluginDescriptorStaxReader xml = new PluginDescriptorStaxReader();
            xml.setAddDefaultEntities(request.isAddDefaultEntities());
            if (inputStream != null) {

        assertEquals("child-default", pom.getValue("build/plugins[1]/executions[@id='default']/phase"));
        assertEquals("child-non-default", pom.getValue("build/plugins[1]/executions[@id='non-default']/phase"));
    }

    /* MNG-3938 */
    @Test
    void testOverridingOfInheritedPluginExecutionsWithPluginManagement() throws Exception {