if (vmd == null) {
            if (md == null) {
                return 0;
            } else {
                return 1;
            }
        }

        int g = compareStrings(md.groupId, vmd.groupId);

        if (g == 0) {
            int a = compareStrings(md.artifactId, vmd.artifactId);
            if (a == 0) {
                if (compareVersion) {

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-test</groupId>
  <artifactId>t06-d</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-test</groupId>
  <artifactId>t06-d</artifactId>
  <packaging>jar</packaging>
  <version>1.1</version>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-test</groupId>
  <artifactId>t07-d</artifactId>
  <packaging>jar</packaging>
  <version>1.1</version>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-test</groupId>
  <artifactId>t10-b</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>simple</groupId>
  <artifactId>simple</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>pom</packaging>

<project>
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.its.mng5003</groupId>
  <artifactId>mng-5003-plugin-realm-cache</artifactId>
  <version>1.0</version>

<project>
  <parent>
    <artifactId>p0</artifactId>
    <groupId>maven</groupId>
    <version>1.0</version>
    <relativePath>../../pom.xml</relativePath>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>p1</artifactId>

    public ArtifactResolutionException(
            String message,
            String groupId,
            String artifactId,
            String version,
            String type,
            String classifier,
            List<ArtifactRepository> remoteRepositories,
            List<String> path,
            Throwable t) {
        super(message, groupId, artifactId, version, type, classifier, remoteRepositories, path, t);
    }

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.its</groupId>
  <artifactId>bom</artifactId>
  <version>0.1</version>
  <versioning>
    <versions>
      <version>0.1</version>
    </versions>
  </versioning>