import type { EngineNotice } from "../engine-notice.js";
import { type ToolTurnRepair } from "../../internal/llm.js";
/** The notice's attribution ids — the same pair, for the same reason, as the fold seat's. */
export interface ToolTurnRepairSeatIds {
    sessionId: string;
    runId: string;
}
/** What the message says became of a turn that dropped calls: the run ended on it (`model_output_invalid`), or the next
 *  request asks the model to re-issue them. */
export type ToolTurnOutcome = "terminal" | "reissued";
/** One thing the person is told, per cause. A dropped-call cause carries the outcome when its message states one (else
 *  `undefined`: nothing is said about the run's fate); the others have none. */
export type ToolTurnIncompleteItem = {
    cause: "truncated";
    count: number;
    outcome: ToolTurnOutcome | undefined;
} | {
    cause: "unnamed";
    count: number;
    outcome: ToolTurnOutcome | undefined;
} | {
    cause: "bad_frame";
    count: number;
} | {
    cause: "missing_result_synthesized";
    count: number;
    toolCallIds: readonly string[];
};
/** Does a turn's content carry a tool call? A tool-calling turn GUARANTEES a next request (its results go back to the
 *  model): the engine's one continuation fact — the harness's boundary gates and the dropped-call line read it here. */
export declare function turnCarriesToolCall(content: unknown): boolean;
/** The person's line for one cause — once per run per cause, whichever observer saw it first. */
export interface ToolTurnIncompleteSeat {
    /** Announce `item` unless this run already said its cause. */
    announce(item: ToolTurnIncompleteItem): void;
    /** Observe one assistant message: announces each stream drop it reports (`streamDropsOf`), worded by what became of the turn. */
    observe(message: {
        readonly diagnostics?: unknown;
    }): void;
}
export declare function createToolTurnIncompleteSeat(onNotice: ((notice: EngineNotice) => void) | undefined, ids: ToolTurnRepairSeatIds): ToolTurnIncompleteSeat;
export declare function createToolTurnRepairSeat(onNotice: ((notice: EngineNotice) => void) | undefined, ids: ToolTurnRepairSeatIds): (repairs: readonly ToolTurnRepair[]) => void;