import type { Dispatcher } from 'undici';
import type { BrowserOptions, TrackerRenderer } from './browser.ts';
/** HTTP transport options with headless browser handling enabled by default. */
export interface ClientOptions {
    timeoutMs?: number;
    cacheTtlMs?: number;
    minRequestIntervalMs?: number;
    retries?: number;
    dispatcher?: Dispatcher;
    /** Customize the default headless browser, or disable it with false. */
    browser?: BrowserOptions | false;
    /** Replace the default renderer; cannot accompany browser settings. */
    renderer?: TrackerRenderer;
}
/** Cached public data and the time it was actually retrieved. */
export interface RetrievedData {
    payload: unknown;
    fetchedAt: string;
}
/** Own bounded HTTP requests, request coalescing, caching and renderer cleanup. */
export declare class TrackerTransport {
    #private;
    constructor(options?: ClientOptions);
    /** Share successful requests and serialize explicit upstream calls. */
    read(url: string, profileUrl: string, profileApiUrl: string): Promise<RetrievedData>;
    /** Prevent new requests, drain pending work and release browser resources. */
    close(): Promise<void>;
}