A version range which specifies the supported Java versions. A version range can either use the usual mathematical syntax "[2.0.10,2.1.0),[3.0,)" or use a single version "2.2.1". The latter is a short form for "[2.2.1,)", i.e. denotes the minimum version required.
            @since Maven 4.0.0-alpha-3
          </description>
          <type>String</type>
        </field>
        <field>
          <name>requiredMavenVersion</name>

	<target name="install.jars">
		<mkdir dir="${target.dir}" />
		<delete dir="${webinf.dir}/lib" />
		<mkdir dir="${webinf.dir}/lib" />
		<delete dir="${webinf.dir}/plugin" />
		<mkdir dir="${webinf.dir}/plugin" />
		<delete dir="${crawler.dir}/lib" />
		<mkdir dir="${crawler.dir}/lib" />
		<delete dir="${suggest.dir}/lib" />
		<mkdir dir="${suggest.dir}/lib" />
		<delete dir="${thumbnail.dir}/lib" />
		<mkdir dir="${thumbnail.dir}/lib" />

	<property name="maven.release.repo.url" value="https://oss.sonatype.org/content/repositories/releases" />

	<target name="install.plugins">
		<mkdir dir="${target.dir}" />
		<delete dir="${plugins.dir}" />
		<mkdir dir="${plugins.dir}" />
		<!-- analysis-extension -->
		<antcall target="install.plugin">
			<param name="repo.url" value="${maven.release.repo.url}" />

            <p><strong>Warning:</strong> This is an internal utility property that is only public for technical reasons,
            it is not part of the public API. In particular, this property can be changed or deleted without prior
            notice.</p>
            ]]>
          </description>
        </field>
        <field>
          <name>priority</name>
          <version>4.1.0+</version>

	<target name="remove.jars" if="with.fess">
		<delete>
			<fileset dir="${modules.dir}">
				<include name="lang-expression/asm-*" />
				<include name="lang-painless/asm-*" />
				<include name="reindex/commons-codec-*" />
				<include name="reindex/commons-logging-*" />
				<include name="reindex/httpclient-*" />
				<include name="reindex/httpcore-4*" />
			</fileset>
		</delete>
	</target>