<type>String</type>
        </field>
      </fields>
    </class>
    <class>
      <name>Extension</name>
      <version>4.0.0+</version>
      <description>Describes a build extension to utilise.</description>
      <fields>
        <field>
          <name>groupId</name>
          <version>4.0.0+</version>
          <description>The group ID of the extension's artifact.</description>

write(XMLWriter, Xpp3Dom, boolean); } META-INF/maven/org.codehaus.plexus/plexus-utils/pom.xml plexus org.codehaus.plexus 1.0.4 4.0.0 plexus-utils Plexus Common Utilities 1.1 maven-surefire-plugin org/codehaus/plexus/util/FileBasedTestCase.java **/Test*.java META-INF/maven/org.codehaus.plexus/plexus-utils/pom.properties #Generated by Maven #Thu Jan 12 15:17:24 EST 2006 version=1.1 groupId=org.codehaus.plexus artifactId=plexus-utils...

import java.util.stream.Collector;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Static utility methods pertaining to {@link Map} instances (including instances of {@link
 * SortedMap}, {@link BiMap}, etc.). Also see this class's counterparts {@link Lists}, {@link Sets}
 * and {@link Queues}.
 *