import { type DataFrame } from "./dataframe";
import { type LazyDataFrame } from "./lazy/dataframe";
import { type Series } from "./series";
import type { ConcatOptions } from "./types";
/**
 * _Repeat a single value n times and collect into a Series._
 * @param value - Value to repeat.
 * @param n - Number of repeats
 * @param name - Optional name of the Series
 * @example
 *
 * ```
 *
 * >  const s = pl.repeat("a", 5)
 * >  s.toArray()
 * ["a", "a", "a", "a", "a"]
 *
 * ```
 */
export declare function repeat<V>(value: V, n: number, name?: string): Series;
export declare function concat(items: Array<DataFrame>, options?: ConcatOptions): DataFrame;
export declare function concat(items: Array<Series>, options?: {
    rechunk: boolean;
    parallel: boolean;
}): Series;
export declare function concat(items: Array<LazyDataFrame>, options?: ConcatOptions): LazyDataFrame;