List<RemoteRepository> getRemoteRepositories();

    @Nonnull
    SessionData getData();

    /**
     * Returns immutable user properties to use for interpolation. The user properties have been configured directly
     * by the user, e.g. via the {@code -Dkey=value} parameter on the command line.
     *
     * @return the user properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getUserProperties();

                artifacts, rootArtifact, managedVersions, collectionRequest, source, collectionFilter, listeners, null);

        // We have metadata retrieval problems, or there are cycles that have been detected
        // so we give this back to the calling code and let them deal with this information
        // appropriately.

        if (result.hasMetadataResolutionExceptions()

            String sourceHint,
            InputLocationTracker tracker,
            ModelBuilderRequest request) {
        if (string == null) {
            // NOTE: The check for missing plugin versions is handled directly by the model builder
            return true;
        }

        Severity errOn30 = getSeverity(request, ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_3_0);