export interface QteStep {
    id: string;
    action: string;
    windowStart: number;
    windowEnd: number;
}
export interface QteInputEvent {
    action: string;
    at: number;
}
export type QteOutcome = {
    status: "success";
} | {
    status: "fail";
    atStep: string;
    reason: "missed-window" | "wrong-action" | "too-early";
};
/**
 * Evaluate a quick-time-event input sequence against timed hit windows.
 *
 * @capability qte a quick-time-event timed input sequence with hit windows
 */
export declare function evaluateQteSequence(steps: readonly QteStep[], inputs: readonly QteInputEvent[]): QteOutcome;
export declare function pendingQteStep(steps: readonly QteStep[], elapsedSeconds: number): QteStep | null;
export declare function qteProgress(steps: readonly QteStep[], elapsedSeconds: number): number;