@Override
    public Optional<String> builder() {
        return returnFirstPresentOrEmpty(MavenOptions::builder);
    }

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

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

     *
     * @return an {@link Optional} containing true if transfer progress should not be displayed, false if it should, or empty if not specified
     */
    @Nonnull
    Optional<Boolean> noTransferProgress();

    /**
     * Indicates whether Maven should cache the "not found" status of artifacts that were not found in remote repositories.
     *