import type { HttpConfig, HttpEvent, LocationSubscription } from './types';
type HttpCallback = (event: HttpEvent) => void;
/**
 * Native HTTP auto-sync for background location uploads.
 *
 * Instead of sending each point to your server via JS (which won't work
 * when the app is killed on Android), configure the native layer to
 * upload directly from the native process.
 *
 * On Android headless mode, this completely replaces the need for a
 * running JS context — locations are collected by the foreground service
 * and uploaded directly to your server.
 */
export declare class HttpSync {
    private httpListeners;
    private configured;
    /**
     * Configure HTTP auto-sync.
     * Must be called before tracking starts to take full effect.
     */
    configure(config: HttpConfig): void;
    /**
     * Whether HTTP auto-sync is configured.
     */
    get isConfigured(): boolean;
    /**
     * Manually trigger a sync of all pending locations to the server.
     * Returns the locations that were synced.
     */
    sync(): Promise<Record<string, unknown>[]>;
    /**
     * Subscribe to HTTP response events from the server.
     */
    onHttp(callback: HttpCallback): LocationSubscription;
    /** Internal: called by native event emitter */
    _handleHttpEvent(event: HttpEvent): void;
    /**
     * Destroy all pending locations in the database without uploading.
     */
    destroyLocations(): Promise<void>;
    /**
     * Get count of pending locations.
     */
    getCount(): Promise<number>;
}
export declare const httpSync: HttpSync;
export default HttpSync;
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