import { type Lineage } from "./asyncContext.js";
import type { RuntimeContext } from "./state/context.js";
import type { ThreadStore } from "./state/threadStore.js";
import type { GraphState, RunNodeCoreResult } from "./types.js";
/** The metadata key an attached debugger sets on its resumes and rewinds
 *  when the run began in `runNode`, whose first leg would have fired
 *  `onAgentEnd` had it not stopped. A resume the caller issued itself
 *  fires nothing, with or without a debugger. */
export declare const ATTACHED_AGENT_END = "attachedAgentEnd";
export declare function firesAgentEnd(metadata: Record<string, unknown> | undefined): boolean;
/** `lineage` is the run's, read by the caller on its first line, before
 *  any await, since the current run is only current until then. */
export declare function fireAgentEnd(execCtx: RuntimeContext<GraphState>, nodeName: string, returnObject: RunNodeCoreResult<any>, threads: ThreadStore, lineage: Lineage): Promise<void>;