export declare function atob(value: string): string;
export declare function btoa(value: string): string;
export declare function encodeByType(type: string, value: any): string | null;
export declare function decodeByType(type: string, value: string): string | number | Date;
export declare function camelOrPascalToUnderscore(str: string): string;
export declare function pascalToUnderscore(str: string): string;