/**
 * Gemini CLI OAuth flow (Google Cloud Code Assist)
 * Standard Gemini models only (gemini-2.0-flash, gemini-2.5-*)
 */
import type { AfterExchangeHook } from "../hooks/types.js";
interface LongRunningOperationResponse {
    name?: string;
    done?: boolean;
    response?: {
        cloudaicompanionProject?: {
            id?: string;
        };
    };
}
export declare const POLL_MAX_ATTEMPTS = 24;
export declare function pollOperation(operationName: string, headers: Record<string, string>, signal: AbortSignal | undefined, onProgress?: (message: string) => void): Promise<LongRunningOperationResponse>;
/** Resolves the project after login and preserves it across refresh responses. */
export declare const googleGeminiCliProjectHook: AfterExchangeHook;
export {};