/** More than a simple hash generator */
export declare const generateHash: (s: any) => number;
export declare const isBoolean: (val: any) => boolean;
export declare const lowercaseFirstLetter: (string: any) => any;
export declare const uppercaseFirstLetter: (string: any) => any;
export declare const addStyleTagToHead: (styles: string, hash: string) => void;
