export declare class Lib {
    world: any;
    constructor(world: any);
    int(x: any): number;
    float(x: any): number;
    str(obj: any): string;
    repr(obj: any): string;
    anyAdd(x: any, y: any): any;
    anyMul(x: any, y: any): string | number | any[];
    anyIn(x: any, a: any): boolean;
    range1(x: number): number[];
    range2(x: number, y: number): number[];
    range(start: number, end: number, step: number): number[];
    get(a: any, name: string, puppy?: any): any;
    index(a: any, index: number, puppy?: any): any;
    slice(a: any, x: number, y?: number): string | any[] | undefined;
    find(s: string, sub: string): number;
    join(s: string, list: [string]): string;
    append(xs: any[], x: any): void;
    len(x: any): any;
    map(func: any, lst: number[]): unknown[];
}