/**
 * FIT (Garmin) Workout Export
 *
 * Generates Garmin FIT workout files that can be uploaded to Garmin Connect.
 * Uses the official @garmin/fitsdk package for binary FIT encoding.
 *
 * How to import to Garmin:
 * - Upload to Garmin Connect (connect.garmin.com) -> Training -> Workouts -> Import
 * - The workout will sync to compatible Garmin devices
 */
import type { Workout, Sport } from "../../../schema/training-plan.js";
import type { Settings } from "../../stores/settings.js";
/**
 * Check if the FIT SDK is available at runtime
 * Always returns true since the SDK is now bundled
 */
export declare function isFitSdkAvailable(): Promise<boolean>;
/**
 * Check if a sport is supported by FIT export
 */
export declare function isFitSupported(sport: Sport): boolean;
/**
 * Create a Garmin FIT workout file from a Workout and exporter Settings.
 *
 * Validates that the workout's sport is supported, encodes the required FIT
 * messages (FILE_ID, WORKOUT, WORKOUT_STEP), and includes swim pool metadata
 * when applicable based on `settings`.
 *
 * @param workout - The workout to export
 * @param settings - Exporter settings (used for units and swim pool information)
 * @returns A Uint8Array containing the encoded FIT binary data
 * @throws Error if the workout's sport is not supported for FIT export
 */
export declare function generateFit(workout: Workout, settings: Settings): Promise<Uint8Array>;