import { LogLevel } from '../logger.js';
import { Transport } from './transport.js';
import { SimpleFetchTransport } from './fetch.js';
interface ProxyTransportConfig {
    url: string;
    autoFlush?: boolean | {
        durationMs: number;
    };
    logLevel?: LogLevel;
}
export declare class ProxyTransport extends SimpleFetchTransport implements Transport {
    constructor(config: ProxyTransportConfig);
}
export {};