import { Checkpoint } from "../checkpointStore.js";
import type { GlobalStoreJSON } from "../globalStore.js";
import type { StateJSON, StateStackJSON } from "../stateStack.js";
/** A stack as a run serializes it, from partial frames. */
export declare function makeStackJSON(frames?: Partial<StateJSON>[]): StateStackJSON;
export declare function makeGlobalsJSON(store?: Record<string, Record<string, any>>): GlobalStoreJSON;
export declare const ROOT: string[];
export declare const TOOL: string[];
/** An agent-shaped checkpoint built by hand: a node frame holding the
 *  store's thread `m`, a tool loop holding its newer copy of `m` with
 *  one unanswered call to `search`, and that call's branch, whose own
 *  loop holds a thread `sub` no store serializes and a fork branch
 *  below it. A labelled time guard on the root stack has a clone on the
 *  tool's stack. The root also carries a root cost budget. */
export declare function agentShapedCheckpoint(): Checkpoint;