import { RealmValues } from "./realm-values.ts";
/** Public Node REPL evaluation preserves lexical bindings, including across top-level await. */
export declare class LiveEvaluator {
    readonly intrinsics: Record<string, Function>;
    readonly values: RealmValues;
    private readonly repl;
    private failure;
    private busy;
    private readonly evaluations;
    private active;
    constructor(output?: (text: string) => void);
    evaluate(source: string): Promise<unknown>;
    install(values: Record<string, unknown>): void;
}