/// <reference types="node" />
import { REPLServer } from "repl";
import { Program } from "./program.js";
export declare const HISTSIZE = 500;
/**
 * Create new history instance.
 */
export declare function history(program: Program): History;
export declare class History {
    private program;
    private path;
    constructor(program: Program);
    /**
     * Add a new entry to the history file.
     */
    push(entry: string | readonly string[]): void;
    /**
     * Read the history file and hydrate the REPL server history.
     */
    hydrateReplServer(server: REPLServer): void;
}