artifact = new DefaultArtifact(groupId, artifactId, versionRange, scope, type, null, artifactHandler);
        assertEquals(groupId + ":" + artifactId + ":" + type, artifact.getDependencyConflictId());
    }

    @Test
    void testGetDependencyConflictIdNullScope() {
        artifact.setScope(null);

  <dependencies>
    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>guava-testlib</artifactId>
      <version>${project.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.google.code.findbugs</groupId>
      <artifactId>jsr305</artifactId>
    </dependency>
    <dependency>
      <groupId>org.checkerframework</groupId>
      <artifactId>checker-qual</artifactId>

        GavCacheKey(String groupId, String artifactId, String version, String tag) {
            this(gav(groupId, artifactId, version), tag);
        }

        GavCacheKey(String gav, String tag) {
            this.gav = gav;
            this.tag = tag;
            this.hash = Objects.hash(gav, tag);
        }

        private static String gav(String groupId, String artifactId, String version) {

     */
    static String toId(String groupId, String artifactId, String version) {
        return ((groupId != null && !groupId.isEmpty()) ? groupId : "[unknown-group-id]")
                + ':'
                + ((artifactId != null && !artifactId.isEmpty()) ? artifactId : "[unknown-artifact-id]")
                + ':'
                + ((version != null && !version.isEmpty()) ? version : "[unknown-version]");
    }

    /**

        }

        return new RelativeProject(groupId, m.getArtifactId(), version);
    }

    protected static class RelativeProject {
        private final String groupId;

        private final String artifactId;

        private final String version;

        protected RelativeProject(String groupId, String artifactId, String version) {
            this.groupId = groupId;
            this.artifactId = artifactId;

      <groupId>com.google.j2objc</groupId>
      <artifactId>j2objc-annotations</artifactId>
    </dependency>
    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>guava</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>

        <groupId>org.apache.maven.wagon</groupId>
        <artifactId>wagon-provider-test</artifactId>
        <version>1.0-beta-2</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven.wagon</groupId>
        <artifactId>wagon-ssh-common-test</artifactId>
        <version>1.0-beta-2</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven.wagon</groupId>

    }

    public Artifact createArtifact(String groupId, String artifactId, String version, String packaging) {
        return createArtifact(groupId, artifactId, version, null, packaging);
    }

    public Artifact createArtifact(String groupId, String artifactId, String version, String scope, String type) {
        return new DefaultArtifact(groupId, artifactId, version, scope, type, null, new TestArtifactHandler(type));
    }

    @Override
    public String toString() {
        return groupId + ":" + artifactId + ":" + version;
    }

    public String toDomainString() {
        return groupId + ":" + artifactId;
    }

    public String getGroupId() {
        return groupId;
    }

    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }

    public String getArtifactId() {

        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-pmd-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>cobertura-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>taglist-maven-plugin</artifactId>