}
        }

        /*
         * MNG-4312: We neither have reserved all of the above magic expressions nor is their set fixed/well-known (it
         * gets occasionally extended by newer Maven versions). This imposes the risk for existing plugins to
         * unintentionally use such a magic expression for an ordinary property. So here we check whether we

 */
package org.apache.maven.execution;

import org.apache.maven.project.MavenProject;

/**
 * Instances of this interface retrieve and store data for the --resume / -r feature. This data is used to ensure newer
 * builds of the same project, that have the -r command-line flag, skip successfully built projects during earlier
 * invocations of Maven.
 */
public interface BuildResumptionDataRepository {
    /**

                throw new RuntimeException(e);
            }
        }

        private <T> Set<T> concat(Set<T> set, T elem) {
            Set<T> newSet = new HashSet<>(set);
            newSet.add(elem);
            return newSet;
        }

        @SuppressWarnings("checkstyle:parameternumber")
        private InterimResult build(
                Map<File, MavenProject> projectIndex,

     * artifact, closer to the entry point, is selected
     */
    @Configuration(name = "closer-first", value = "true")
    private boolean closerFirst = true;

    /**
     * newer artifact is selected
     */
    @Configuration(name = "newer-first", value = "true")
    private boolean newerFirst = true;

    public MetadataGraphEdge apply(MetadataGraphEdge e1, MetadataGraphEdge e2) {
        int depth1 = e1.getDepth();

                } else {
                    message += " from local repository";
                }
                getLogger().debug(message);
            } else {
                // Locally installed file is newer, don't use the resolved version
                getLogger().debug(artifact.getArtifactId() + ": using locally installed snapshot");
            }
        }
        return version;
    }

                }
            }
        }

        /*
         * MNG-4312: We neither have reserved all of the above magic expressions nor is their set fixed/well-known (it
         * gets occasionally extended by newer Maven versions). This imposes the risk for existing plugins to
         * unintentionally use such a magic expression for an ordinary property. So here we check whether we

                ProjectBuildingException.class, () -> getProject(f1), "Expected to fail for future versions");
        assertThat(e.getMessage(), containsString("Building this project requires a newer version of Maven"));
    }

    @Test
    void testPastModelVersion() throws Exception {
        // a Maven 1.x pom will not even
        // update the resource if we stop supporting modelVersion 4.0.0

                    Version.V20,
                    "modelVersion",
                    null,
                    "of '" + string + "' is newer than the versions supported by this version of Maven: "
                            + validVersions + ". Building this project requires a newer version of Maven.",
                    tracker);

        } else if (olderThanAll) {

            }

            if ( versioning.getLastUpdated() == null || versioning.getLastUpdated().length() == 0 )
            {
                // this should only be for historical reasons - we assume local is newer
                versioning.setLastUpdated( v.getLastUpdated() );
            }

            if ( v.getLastUpdated() == null || v.getLastUpdated().length() == 0

import javax.inject.Singleton;

import java.util.ArrayList;
import java.util.List;
import java.util.TreeSet;

import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * Default conflict resolver.Implements closer newer first policy by default, but could be configured via plexus
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultGraphConflictResolver implements GraphConflictResolver {
    /**