public Optional<String> alternatePomFile() {
        return returnFirstPresentOrEmpty(MavenOptions::alternatePomFile);
    }

    @Override
    public Optional<Boolean> nonRecursive() {
        return returnFirstPresentOrEmpty(MavenOptions::nonRecursive);
    }

    @Override
    public Optional<Boolean> updateSnapshots() {
        return returnFirstPresentOrEmpty(MavenOptions::updateSnapshots);
    }

    @Override

            return Optional.of(commandLine.getOptionValue(CLIManager.ALTERNATE_POM_FILE));
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> nonRecursive() {
        if (commandLine.hasOption(CLIManager.NON_RECURSIVE)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> updateSnapshots() {

    public static final char ERRORS = 'e';

    public static final char HELP = 'h';

    public static final char VERSION = 'v';

    public static final char SHOW_VERSION = 'V';

    public static final char NON_RECURSIVE = 'N';

    public static final char UPDATE_SNAPSHOTS = 'U';

    public static final char ACTIVATE_PROFILES = 'P';

    public static final String SUPPRESS_SNAPSHOT_UPDATES = "nsu";