import type { EgressTargetResolver } from "./eval-run/public-egress-proxy.js";
export interface PiAuthBroker {
    readonly environment: Readonly<Record<string, string>>;
    resolveWith(fallback: EgressTargetResolver): EgressTargetResolver;
    close(): Promise<void>;
}
export declare function startPiAuthBroker(providers: ReadonlySet<string>, refresh: (provider: string) => Promise<unknown>): Promise<PiAuthBroker>;
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