* comment: Supported CSS file extensions for upload.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSupportedUploadedCssExtentions();

    /**
     * Get the value for the key 'supported.uploaded.media.extentions'. <br>
     * The value is, e.g. jpg,jpeg,gif,png,swf <br>
     * comment: Supported media file extensions for upload.