)

// prepareUpdateMessage - prepares the update message, only if a
// newer version is available.
func prepareUpdateMessage(downloadURL string, older time.Duration) string {
	if downloadURL == "" || older <= 0 {
		return ""
	}

	// Compute friendly duration string to indicate time
	// difference between newer and current release.
	t := time.Time{}

    /**
     * Gets the identifier of this repository.
     *
     * @return the (case-sensitive) identifier, never {@code null}
     */
    @Nonnull
    String getId();

    /**
     * Gets the type of the repository, for example "default".
     *
     * @return the (case-sensitive) type of the repository, never {@code null}
     */
    @Nonnull
    String getType();

@Experimental
public interface Event {

    /**
     * Gets the type of the event.
     *
     * @return the type of the event, never {@code null}
     */
    @Nonnull
    EventType getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return the current session, never {@code null}
     */
    @Nonnull
    Session getSession();

    /**
     * Gets the current project (if any).

     */
    @Nonnull
    String getArtifactId();

    /**
     * Returns the classifier of the artifact.
     *
     * @return the classifier or an empty string if none, never {@code null}
     */
    @Nonnull
    String getClassifier();

    /**
     * {@return the specific version, range of versions, or meta-version of the artifact}.

    /**
     * Builds the effective model of the specified POM.
     *
     * @param request The model building request that holds the parameters, must not be {@code null}.
     * @return The result of the model building, never {@code null}.
     * @throws ModelBuildingException If the effective model could not be built.
     */
    ModelBuildingResult build(ModelBuildingRequest request) throws ModelBuildingException;

    /**

    /**
     * Invoked just before session is created with a mutable map that carries collected user properties so far.
     *
     * @param userProperties The mutable user properties, never {@code null}.
     * @see #contribute(ProtoSession)
     */
    default void contribute(Map<String, String> userProperties) {}

    /**

        ReleasedVersionsHelperKt.updateReleasedVersions(version, versions) == releasedVersions(snapshot, rc, expectedVersions)
    }

    def "newer snapshots are stored"() {
        def referenceBuildTime = System.currentTimeMillis() - DAYS.toMillis(10)
        def oldSnapshot = snapshot('4.3', referenceBuildTime)
        def rc = releasedVersion('4.2-rc-1')

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;

     * cache is populated but the state of the cache must not change so we need to make a copy.
     *
     * @param data The data to store in the cache, must not be {@code null}.
     * @return The data being stored in the cache, never {@code null}.
     */
    T intoCache(T data);

    /**
     * Creates a copy of the data suitable for retrieval from the cache. The retrieved data can be mutated after the

    /**
     * Returns the local name of this XML node.
     *
     * @return the node name, never {@code null}
     */
    @Nonnull
    String name();

    /**
     * Returns the namespace URI of this XML node.
     *
     * @return the namespace URI, never {@code null} (empty string if no namespace)
     */
    @Nonnull
    String namespaceUri();

    /**