/**
     * The optional interpolation source used for interpolation.
     *
     * @return the interpolation source for interpolation
     */
    @Nonnull
    Optional<Function<String, String>> getInterpolationSource();

    @Nonnull
    static SettingsBuilderRequest build(
            @Nonnull Session session, @Nonnull Source installationSettingsSource, @Nonnull Source userSettingsSource) {