versions = new LinkedHashMap<>();
        processedVersions = new LinkedHashMap<>();
        timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime");

        /*
         * NOTE: This should be considered a quirk to support interop with Maven's legacy ArtifactDeployer which

    private final Integer buildNumber;

    RemoteSnapshotMetadata(Artifact artifact, Date timestamp, Integer buildNumber) {
        super(createRepositoryMetadata(artifact), null, timestamp);
        this.buildNumber = buildNumber;
    }

    private RemoteSnapshotMetadata(Metadata metadata, Path path, Date timestamp, Integer buildNumber) {
        super(metadata, path, timestamp);
        this.buildNumber = buildNumber;

        }
    }

    private Date getLocalCopyLastModified(ArtifactRepository localRepository, RepositoryMetadata metadata) {
        String metadataPath = localRepository.pathOfLocalRepositoryMetadata(metadata, localRepository);
        File metadataFile = new File(localRepository.getBasedir(), metadataPath);
        return metadataFile.isFile() ? new Date(metadataFile.lastModified()) : null;
    }

    /**
     * Information about modules in the main output. This field is initially null and is set to a non-null
     * value when the output directories have been set, or when it is too late for setting them.
     */
    private PathModularization outputModules;

    /**
     * Creates an initially empty result. Callers should add path elements by calls

        }
    }

    private final PluginInfo pluginInfo;

    PluginsMetadata(PluginInfo pluginInfo, Date timestamp) {
        super(createRepositoryMetadata(pluginInfo), (Path) null, timestamp);
        this.pluginInfo = pluginInfo;
    }

    PluginsMetadata(PluginInfo pluginInfo, Path path, Date timestamp) {
        super(createRepositoryMetadata(pluginInfo), path, timestamp);
        this.pluginInfo = pluginInfo;
    }

final class VersionsMetadata extends MavenMetadata {

    private final Artifact artifact;

    VersionsMetadata(Artifact artifact, Date timestamp) {
        super(createRepositoryMetadata(artifact), (Path) null, timestamp);
        this.artifact = artifact;
    }

    VersionsMetadata(Artifact artifact, Path path, Date timestamp) {
        super(createRepositoryMetadata(artifact), path, timestamp);
        this.artifact = artifact;
    }

 * under the License.
 */
package org.apache.maven.internal.impl.resolver;

import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;

import org.apache.maven.api.metadata.Metadata;
import org.eclipse.aether.artifact.Artifact;

/**
 */
abstract class MavenSnapshotMetadata extends MavenMetadata {
    static final String SNAPSHOT = "SNAPSHOT";

        } catch (IOException e) {
            LOGGER.warn(
                    "An I/O error occurred while checking if the packaged artifact is up-to-date "
                            + "against the build output directory. "
                            + "Continuing with the assumption that it is up-to-date.",
                    e);
            return true;
        }
    }

    }

    private PluginsMetadataGenerator(RepositorySystemSession session, Collection<? extends Metadata> metadatas) {
        this.processedPlugins = new LinkedHashMap<>();
        this.timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime");

        /*
         * NOTE: This should be considered a quirk to support interop with Maven's legacy ArtifactDeployer which

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.execution;

import java.io.File;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.stream.Collectors;