interface StringJS {
    length: number;

    s: string;

    between(left: string, right?: string): StringJS;

    camelize(): StringJS;

    capitalize(): StringJS;

    chompLeft(prefix: string): StringJS;

    chompRight(suffix: string): StringJS;

    collapseWhitespace(): StringJS;

    contains(ss: string): boolean;

    count(substring: string): number;

    dasherize(): StringJS;

    decodeHTMLEntities(): StringJS;

    endsWith(ss: string): boolean;

    escapeHTML(): StringJS;

    ensureLeft(prefix: string): StringJS;

    ensureRight(suffix: string): StringJS;

    humanize(): StringJS;

    include(ss: string): boolean;

    isAlpha(): boolean;

    isAlphaNumeric(): boolean;

    isEmpty(): boolean;

    isLower(): boolean;

    isNumeric(): boolean;

    isUpper(): boolean;

    latinise(): StringJS;

    left(n: number): StringJS;

    lines(): string[];

    pad(len: number, char?: string | number): StringJS;

    padLeft(len: number, char?: string | number): StringJS;

    padRight(len: number, char?: string | number): StringJS;

    parseCSV(delimiter?: string, qualifier?: string, escape?: string, lineDelimiter?: string): string[];

    repeat(n: number): StringJS;

    replaceAll(ss: string, newStr: string): StringJS;

    strip(...strings: string[]): StringJS;

    stripLeft(...strings: string[]): StringJS;

    stripRight(...strings: string[]): StringJS;

    right(n: number): StringJS;

    setValue(string: any): StringJS;

    slugify(): StringJS;

    startsWith(prefix: string): boolean;

    stripPunctuation(): StringJS;

    stripTags(...tags: string[]): StringJS;

    template(values: Object, open?: string, close?: string): StringJS;

    times(n: number): StringJS;

    titleCase(): StringJS;

    toBoolean(): boolean;

    toCSV(delimiter?: string, qualifier?: string): StringJS;
    toCSV(options: {
        delimiter?: string | undefined;
        qualifier?: string | undefined;
        escape?: string | undefined;
        encloseNumbers?: boolean | undefined;
        keys?: boolean | undefined;
    }): StringJS;

    toFloat(precision?: number): number;

    toInt(): number;

    toInteger(): number;

    toString(): string;

    trim(): StringJS;

    trimLeft(): StringJS;

    trimRight(): StringJS;

    truncate(length: number, chars?: string): StringJS;

    underscore(): StringJS;

    unescapeHTML(): StringJS;

    wrapHTML(element?: string, attributes?: Object): StringJS;
}

declare var S: {
    (o: any): StringJS;
    VERSION: string;
    TMPL_OPEN: string;
    TMPL_CLOSE: string;
};

export = S;
export as namespace S;