import type { Checkpoint, RunState, TrajectoryEvent } from '../engine/types.js';
export declare function appendNativeTrajectoryEvent(options: {
    changeDir: string;
    run: RunState;
    type: TrajectoryEvent['type'];
    data: Record<string, unknown>;
    now?: Date;
}): Promise<TrajectoryEvent>;
export declare function writeNativeCheckpoint(options: {
    changeDir: string;
    run: RunState;
    trajectoryOffset: number;
    evidenceHash: string;
    now?: Date;
}): Promise<Checkpoint>;
//# sourceMappingURL=native-trajectory.d.ts.map