public java.util.Map getExpressionsBySyntax()
    {
        if ( expressionsBySyntax == null )
        {
            expressionsBySyntax = new java.util.HashMap();

            java.util.List expressions = getExpressions();

            if ( expressions != null && !expressions.isEmpty() )
            {

  <packaging>JAR</packaging>

  <name>Maven Integration Test :: MNG-4341</name>
  <description>
    Test that plugins bound to the same phase get executed in POM order even if one of the plugins participates
    in the default lifecycle bindings for the project's packaging.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>

  <version>0.1</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-3979</name>
  <description>
    Test that during inheritance the merging/joining of subtrees with equal identifier doesn't crash if the parent
    POM has a non-empty element and the child POM has an empty element to join.
  </description>

  <properties>
    <prop0>test</prop0>
  </properties>

  <repositories>
    <repository>

  <version>0.1</version>
  <packaging>jar</packaging>

  <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>

  <version>0.1</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-3916</name>
  <description>
    Test that plugin executions are properly merged during inheritance, even if the child plugin section has no
    version.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-a</artifactId>

    <version>0.1</version>
  </parent>

  <artifactId>child</artifactId>

  <name>Maven Integration Test :: MNG-3943</name>
  <description>
    Test that plugin executions are properly merged during inheritance, even if the child uses a different
    plugin version than the parent.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>

    stem from Plexus Classworlds originally.
    <p><i>Notice:</i> this documentation is generated from a Modello model but the code executed is not generated
    from this descriptor. Please report if you find anything wrong.</p>
  ]]></description>
  <defaults>
    <default>
      <key>package</key>
      <value>extension descriptor XML documentation (no java generation)</value><!-- intentionally non-buildable value -->

    <configuration>
      <![CDATA[
<distributionManagement>
  <!-- use the following if you're not using a snapshot version. -->
  <repository>
    <id>repo</id>
    <name>Repository Name</name>
    <url>scp://host/path/to/repo</url>
  </repository>
  <!-- use the following if you ARE using a snapshot version. -->
  <snapshotRepository>
    <id>repo</id>
    <name>Repository Name</name>

  </parent>

  <artifactId>child</artifactId>

  <name>Maven Integration Test :: MNG-3979</name>
  <description>
    Test that during inheritance the merging/joining of subtrees with equal identifier doesn't crash if the parent
    POM has a non-empty element and the child POM has an empty element to join.
  </description>

  <properties/>

  <repositories>
    <repository>
      <id>equal-repo-id</id>

        private boolean sourceLevelSet = false;

        public void setSourceLevel(String sourceLevel) {
            if (sourceLevelSet) {
                throw new IllegalStateException("Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel);
            } else if (!(USER_LEVEL.equals(sourceLevel) || GLOBAL_LEVEL.equals(sourceLevel))) {