import type { RunTiming, TurnProjection } from "../../schemas/projection";
import type { RawHistoryEntry } from "./history";
export declare function readChatRun(payload: Record<string, unknown>, ended?: boolean): RunTiming | null;
/** Detached run annotations are shared by every root response in their interval.
 * Ignore unreachable branch anchors; the last annotation for a run settles it. */
export declare function applyHistoryChatRuns(turns: TurnProjection[], entries: RawHistoryEntry[], aliases: Map<string, TurnProjection>): void;