export {};
declare global {
    interface Array<T> {
        select<K>(callback: (item: T) => K): Array<K>;
        where(callback: (item: T) => boolean): Array<T>;
        distinct(): Array<T>;
        first(): T;
        firstOrDefault(): T | undefined;
        last(): T;
        lastOrDefault(): T | undefined;
        min(): number;
        max(): number;
    }
}