import type { WindowLikeTransport } from "../types.ts";
export declare function sendWithRetries({ url, windowRef, useBeacon, maxRetries, initialBackoffMs, }: {
    url: string;
    windowRef: WindowLikeTransport;
    useBeacon: boolean;
    maxRetries?: number;
    initialBackoffMs?: number;
}): Promise<{
    ok: boolean;
    via: "beacon";
    status?: undefined;
} | {
    ok: boolean;
    via: "fetch";
    status: number;
} | {
    ok: boolean;
    via: "fetch";
    status: null;
}>;