export declare const WORD_SEPARATOR_CHARS = "\\.,\\?! \u2026:;\\-+_\u2010\u2011\u2012\u2013\u2014\u2015\u2212\uFE58\uFE63\uFF0D\\[\\]=/\\(\\)\\{\\}";
export declare const WORD_SEPARATOR_REGEX: string;
export declare const WORD_SEPARATOR_BEGIN: string;
export declare const WORD_SEPARATOR_END: string;
export declare const WORD_SEPARATORS_SEARCH = "[ ,\\.\\-\\*_/\"\\<\\>\\|:;#+~!%&\u00A7\\(\\)\\{\\}\\?\\[\\]=]";
export declare const UMLAUT_REPLACEMENTS: {
    Ä: string;
    Ö: string;
    Ü: string;
    ä: string;
    ö: string;
    ü: string;
    ß: string;
};
export declare const IMAGE_EXTENSIONS = "jpg|jpeg|bmp|ico|png|webp|gif|psd|tif|ps|svg";
export declare const IMAGE_EXT_REGEX: string;
export declare const VIDEO_EXTENSIONS = "mp4|mov|mpg|mpeg|avi|divx|wmv|vob|swf|rm|flv|asx|asf|3gp|3g2";
export declare const VIDEO_EXT_REGEX: string;