export declare function s_to_int(s: string): number;
export declare function s_to_big_int(s: string): bigint;
export declare function int_to_s(int: number): string;
export declare function big_int_to_s(int: bigint): string;
export declare function num_to_s(num: number): string;
export declare function int_str_to_s(int_str: string): string;
export declare function s_to_num(s: string): number;