import { HttpSlackTransport } from './client.ts';
export interface BrowserSlackTransportOptions {
    proxyUrl: string;
    getHeaders?: () => Promise<Record<string, string>> | Record<string, string>;
}
export declare class BrowserSlackTransport extends HttpSlackTransport {
    private readonly opts;
    constructor(opts: BrowserSlackTransportOptions);
    protected baseUrl(): string;
    protected authHeaders(_endpoint?: string): Promise<Record<string, string>>;
}
//# sourceMappingURL=client_browser.d.ts.map