groupId,
                        artifactId,
                        version);
            }
            String newVersion = versions.get(versions.size() - 1).asString();
            if (!version.equals(newVersion)) {
                resolvedVersion.accept(newVersion);
            }

            Map.Entry<org.apache.maven.api.Artifact, Path> resolved =

                VersionsMetadata versionsMetadata = versions.get(key);
                if (versionsMetadata == null) {
                    versionsMetadata = new VersionsMetadata(artifact, timestamp);
                    versions.put(key, versionsMetadata);
                }
            }
        }

        return versions.values();
    }

    //
    // or we can show it graphically as:
    //
    // p1 ---> p0 --> super model
    //
    // p1 has a depMgmt section that specifies versions 1.0 of jars "a" & "b"
    // jar "a" has a transitive dependency on 2.0 of jar "b", but maven should
    // prefer to use version 1.0.
    //
    // ----------------------------------------------------------------------

    @Test

     *
     * Otherwise if the given path is a JAR file, then there is a choice:
     * <ul>
     *   <li>If a {@code module-info.class} file is found in the root directory or in a
     *       {@code "META-INF/versions/{n}/"} subdirectory, builds a singleton map with
     *       the module name declared in that descriptor.</li>
     *   <li>Otherwise if an {@code "Automatic-Module-Name"} attribute is declared in the

<?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>

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.its</groupId>
  <artifactId>b</artifactId>
  <version>0.1</version>
  <versioning>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023222817</lastUpdated>
  </versioning>

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-plugin-plugin</artifactId>
  <version>0.1</version>
  <versioning>
    <latest>0.1</latest>
    <release>0.1</release>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023225046</lastUpdated>
  </versioning>

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-clean-plugin</artifactId>
  <version>0.1</version>
  <versioning>
    <latest>0.1</latest>
    <release>0.1</release>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023224342</lastUpdated>
  </versioning>

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-jar-plugin</artifactId>
  <version>0.1</version>
  <versioning>
    <latest>0.1</latest>
    <release>0.1</release>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023232454</lastUpdated>
  </versioning>

        this.versionScheme = requireNonNull(versionScheme, "versionScheme");
    }

    @Override
    public Version parseVersion(String version) {
        requireNonNull(version, "version");
        return new DefaultVersion(versionScheme, version);
    }

    @Override
    public VersionRange parseVersionRange(String range) {
        requireNonNull(range, "range");