import { StringNumber } from "../types/main.js";
export declare function getObjectValue(obj: unknown, key: string): any;
export declare function Void(): void;
export declare function unique<T>(val: T[]): T[];
export declare function prettyJson(val?: unknown): string;
export declare class EnumReader<T extends string, V extends StringNumber> {
    private readonly $keys;
    private readonly $values;
    constructor(list: {
        [key in T]: V;
    });
    keys(): T[];
    values(): V[];
    value<P extends T>(key: P): V;
    key<P extends V>(value: P): T;
}