export declare function register(preString: string | undefined): void;
export declare function qiao_qiao_method_add(arg1: number, arg2: number): number;
export declare function qiao_qiao_method_sub(arg1: number, arg2: number): number;
export declare function qiao_qiao_method_mul(arg1: number, arg2: number): number;
export declare function qiao_qiao_method_div(arg1: number, arg2: number): number;