import type { HeartRateResponse } from "../models/HeartRateResponse";
import type { CancelablePromise } from "../core/CancelablePromise";
export declare class HeartRateService {
    /**
     * Get Heart Rate
     * Returns available heart rate data for a specified Oura user within a given timeframe
     * @param startDatetime
     * @param endDatetime
     * @param nextToken
     * @returns HeartRateResponse OK
     * @throws ApiError
     */
    static heartrateRouteHeartrateGet(startDatetime?: string, endDatetime?: string, nextToken?: string): CancelablePromise<HeartRateResponse>;
}