for (Dependency dependency : project.getDependencies()) {
                if (dependency.getGroupId() == null
                        || dependency.getGroupId().isEmpty()
                        || dependency.getArtifactId() == null
                        || dependency.getArtifactId().isEmpty()
                        || dependency.getVersion() == null

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-xml</artifactId>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.woodstox</groupId>
      <artifactId>woodstox-core</artifactId>
    </dependency>
    <dependency>
      <groupId>org.codehaus.woodstox</groupId>
      <artifactId>stax2-api</artifactId>

  <dependencies>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-slf4j-wrapper</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-core</artifactId>
    </dependency>
    <dependency>

    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-toolchain</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-plugin</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-xml</artifactId>
    </dependency>
    <dependency>

        String artifactId = "maven-model";

        Dependency dep = new Dependency();

        dep.setGroupId( groupId );
        dep.setArtifactId( artifactId );
        dep.setVersion( "2.0-alpha-3" );

        Model model = new Model();

        model.addDependency( dep );

        Dependency mgd = new Dependency();
        mgd.setGroupId( groupId );
        mgd.setArtifactId( artifactId );

    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-xml-impl</artifactId>
    </dependency>
    <dependency>
      <groupId>org.codehaus.plexus</groupId>
      <artifactId>plexus-xml</artifactId>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.woodstox</groupId>
      <artifactId>woodstox-core</artifactId>
    </dependency>
    <dependency>

 *
 * @since 7.6
 */
@Incubating
@SuppressWarnings("JavadocReference")
public interface Dependencies {
    /**
     * A dependency factory is used to convert supported dependency notations into {@link org.gradle.api.artifacts.Dependency} instances.
     *
     * @return a dependency factory
     * @implSpec Do not implement this method. Gradle generates the implementation automatically.
     *
     * @see DependencyFactory

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-meta</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-core</artifactId>
    </dependency>
    <dependency>
      <groupId>org.jline</groupId>
      <artifactId>jline</artifactId>
    </dependency>
    <dependency>

            return getDependencyFactory().create(selector.getGroup(), selector.getName(), selector.getVersion());
        }
    }

    private String getNotation(Dependency dependency) {
        return Joiner.on(':').join(dependency.getGroup(), dependency.getName(), dependency.getVersion());
    }

    private DependencyFactory getDependencyFactory() {
        return resolutionServices.getDependencyFactory();
    }

    private DependencyCoordinate toDependency(org.apache.maven.api.model.Dependency dependency) {
        return new DependencyCoordinate() {
            @Override
            public String getGroupId() {
                return dependency.getGroupId();
            }

            @Override
            public String getArtifactId() {
                return dependency.getArtifactId();
            }

            @Override