ArchUnit dependency rule Zk and Netty

ZkArchUnitTest.java

package org.apache.zookeeper;

import static com.tngtech.archunit.core.importer.ImportOption.Predefined.DO_NOT_INCLUDE_TESTS;
import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.classes;

import com.tngtech.archunit.base.DescribedPredicate;
import com.tngtech.archunit.core.domain.JavaClass;
import com.tngtech.archunit.core.domain.JavaClasses;
import com.tngtech.archunit.core.importer.ClassFileImporter;
import com.tngtech.archunit.core.importer.ImportOption;
import com.tngtech.archunit.junit.AnalyzeClasses;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.syntax.ArchRuleDefinition;
import java.util.Collections;
import org.junit.jupiter.api.Test;

@AnalyzeClasses(importOptions = {ImportOption.DoNotIncludeTests.class,
    ImportOption.DoNotIncludeJars.class})
public class ZkArchUnitTest {
  @Test
  public void nettyRule() {
    JavaClasses importedClasses = new ClassFileImporter(
        Collections.singletonList(DO_NOT_INCLUDE_TESTS)).importPackages("org.apache.zookeeper")
                                      .that(new DescribedPredicate<JavaClass>(
                                          "ZK Non-Netty classes") {
                                        @Override
                                        public boolean test(JavaClass javaClass) {
                                          return !javaClass.getName().contains("Netty");
                                        }
                                      });

    ArchRule rule = ArchRuleDefinition.noClasses().should()
                        .dependOnClassesThat()
                        .resideInAnyPackage("io.netty..")
                        .orShould().dependOnClassesThat()
                        .haveSimpleNameContaining("Netty");
    rule.check(importedClasses);
  }

}