import type { WebAppEvent } from "../types";
import type { Config } from "../core/config";
export declare class Transport {
    private config;
    private isOnline;
    private pendingRequests;
    constructor(config: Config);
    private setupOnlineListener;
    private buildPayload;
    send(events: WebAppEvent[]): Promise<void>;
    private sendRequest;
    sendBeacon(events: WebAppEvent[]): boolean;
    flush(): Promise<void>;
    private log;
    private logError;
}
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