* KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.metadata;

/**
 *  MetadataGraph edge selection policy. Complements
 *  GraphConflictResolver by being injected into it
 *
 *
 */
@Deprecated
public interface GraphConflictResolutionPolicy {
    String ROLE = GraphConflictResolutionPolicy.class.getName();

        from.children.add(to);
        to.parents.add(from);
        List<String> cycle = findCycle(to);
        if (cycle != null) {
            // remove edge which introduced cycle
            removeEdge(from, to);
            throw new CycleDetectedException(
                    "Edge between '" + from.label + "' and '" + to.label + "' introduces to cycle in the graph", cycle);
        }
    }

    void removeEdge(Vertex from, Vertex to) {