<!-- Fix OutOfMemoryError under Travis. -->
              <extraJvmArgs>-Xms3500m -Xmx3500m -Xss1024k</extraJvmArgs>
              <sourceLevel>1.8</sourceLevel>
              <!-- Keep these timeouts very large because, if we hit the timeout, the tests silently pass :( -->
              <testTimeOut>86400 <!-- seconds --></testTimeOut>
              <testMethodTimeout>1440 <!-- minutes --></testMethodTimeout>

              <!-- was only a workaround for Plexus Container, hopefully never used by anyone else -->
              <exclude>org.apache.maven.plugin.DefaultBuildPluginManager#setMojoExecutionListeners(java.util.List)</exclude>
              <!-- could have never been used due to usage of non-export class (CoreExportsProvider) -->

          <type>String</type>
        </field>
        <field>
          <description>
            <![CDATA[
            <p>The configuration as DOM object.</p>
            <p>By default, every element content is trimmed, but starting with Maven 3.1.0, you can add
            {@code xml:space="preserve"} to elements you want to preserve whitespace.</p>

    the same other JDK instance without hardcoding absolute paths into the {@code pom.xml}
    and without configuring every plugin that require path to JDK tools.</p>

    @see <a href="/guides/mini/guide-using-toolchains.html">Guide to Using Toolchains</a>
    ]]></description>

  <defaults>
    <default>
      <key>package</key>

                    if ( updateSnapshotVersions )
                    {
                        java.util.Map<String, SnapshotVersion> versions = new java.util.LinkedHashMap<>();
                        // never convert from legacy to new format if either source or target is legacy format
                        if ( !v.getSnapshotVersions().isEmpty() )
                        {

          <version>1.0.0+</version>
          <description>
            The frequency for downloading updates - can be "always",
            "daily" (default), "interval:XXX" (in minutes) or "never"
            (only if it doesn't exist locally).
          </description>
          <type>String</type>
        </field>
        <field>
          <name>checksumPolicy</name>
          <version>1.0.0+</version>