import * as L from './lang.js';
import { Result } from './result.js';
export declare function runtimeError<T>(message: string, s?: L.Exp, hint?: string): Result<T>;
export declare function tryMatch(v: L.Value, p: L.Pat): L.Env | undefined;
export declare class Store {
    private counter;
    private readonly store;
    constructor();
    add(value: L.Value): number;
    get(key: number): L.Value | undefined;
    has(key: number): boolean;
}
export declare const store: Store;
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