import * as ts from "typescript";
import { Node } from "./../compiler";
import { KeyValueCache } from "./../utils";
/**
 * Extension of KeyValueCache that allows for "forget points."
 */
export declare class ForgetfulNodeCache extends KeyValueCache<ts.Node, Node> {
    private readonly forgetStack;
    getOrCreate<TCreate extends Node>(key: ts.Node, createFunc: () => TCreate): TCreate;
    setForgetPoint(): void;
    forgetLastPoint(): void;
    rememberNode(node: Node): boolean;
    private rememberParentOfNode(node);
    private forgetNodes(nodes);
}