return false;
    }

    Integer getThumbnailHtmlImageMinWidthAsInteger();

    Integer getThumbnailHtmlImageMinHeightAsInteger();

    java.math.BigDecimal getThumbnailHtmlImageMaxAspectRatioAsDecimal();

    default boolean validateThumbnailSize(final int width, final int height) {
        if (width <= 0 || height <= 0 || width < getThumbnailHtmlImageMinWidthAsInteger().intValue()

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getThumbnailHtmlImageMinWidthAsInteger();

    /**
     * Get the value for the key 'thumbnail.html.image.min.height'. <br>
     * The value is, e.g. 100 <br>
     * comment: Minimum height for HTML images in thumbnails.