import type { HarnessEmitFn } from "#harness/types.js";
import type { HarnessEmissionState } from "#harness/emission.js";
/**
 * Emits the cancelled-turn epilogue: `turn.cancelled` → `session.waiting`
 * (never a failure event) and returns the between-turns emission state.
 *
 * `state` is the last *persisted* emission state, which may predate the
 * cancelled turn's preamble — the turn id is reconstructed via
 * {@link activeTurnId} and `sessionStarted` is stamped `true`.
 */
export declare function emitCancelledTurn(emitFn: HarnessEmitFn, state: HarnessEmissionState): Promise<HarnessEmissionState>;