declare type Grow<T, A extends Array<T>> = ((x: T, ...xs: A) => void) extends ((...a: infer X) => void) ? X : never;
declare type GrowToSize<T, A extends Array<T>, N extends number> = {
    0: A;
    1: GrowToSize<T, Grow<T, A>, N>;
}[A["length"] extends N ? 0 : 1];
export declare type FixedArray<T, N extends number> = GrowToSize<T, [], N>;
export declare function chunkArr<T, N extends number>(arr: T[], num: N): FixedArray<T, N>[];
export {};