type Falsy = false | 0 | '' | null | undefined | typeof NaN | 0n;
export declare const filterFalsy: <T>(array: (T | Falsy)[]) => T[];
type ArrayElements<T> = {
    [K in keyof T]: T[K] extends readonly (infer U)[] ? U : never;
};
export declare function product<T extends readonly (readonly unknown[])[]>(...arrays: T): Generator<ArrayElements<T>>;
export {};