import { type PiAuthBroker } from "./pi-auth-broker.js";
import { type PreparedReviewRuntime } from "./pi-extension-discovery.js";
export declare function readAuthWorkerResult(handle: {
    read(buffer: Buffer, offset: number, length: number, position: number): Promise<{
        bytesRead: number;
    }>;
}, size: number): Promise<Buffer>;
export declare function oauthBrokerRequiredButUnavailable(input: {
    trusted: boolean;
    hostsAuthAdapter: boolean;
    platform: NodeJS.Platform;
    oauthProviders: number;
}): boolean;
export declare function prepareAuthBroker(runtime: PreparedReviewRuntime): Promise<PiAuthBroker | undefined>;
export declare function snapshotOAuthProviders(agentDir: string): Promise<ReadonlySet<string>>;
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