/**
 * Gemini CLI UserInfo 辅助函数
 * 对齐 CLIProxyAPI 的实现，为 Gemini CLI OAuth 流程添加 UserInfo 和 Projects 获取功能
 */
import type { UnknownObject } from '../../modules/pipeline/types/common-types.js';
export interface GeminiCLIUserInfo {
    email?: string;
    name?: string;
    picture?: string;
    verified_email?: boolean;
}
export interface GeminiCLIProject {
    projectId: string;
    name?: string;
}
export interface GeminiCLITokenData extends UnknownObject {
    access_token: string;
    refresh_token?: string;
    token_type: string;
    expires_in?: number;
    scope?: string;
    expires_at?: number;
    expired?: string;
    email?: string;
    name?: string;
    picture?: string;
    projects?: GeminiCLIProject[];
    project_id?: string;
    shared_credential?: boolean;
}
/**
 * 使用 access_token 调用 Google UserInfo 接口
 * 等价于 CLIProxyAPI 的 fetchUserInfo
 */
export declare function fetchGeminiCLIUserInfo(accessToken: string): Promise<GeminiCLIUserInfo>;
/**
 * 使用 access_token 获取 Google Projects 列表
 * 等价于 CLIProxyAPI 的 listProjects
 */
export declare function fetchGeminiCLIProjects(accessToken: string): Promise<GeminiCLIProject[]>;
/**
 * 将 OAuth token 与 UserInfo 和 Projects 合并
 * 等价于 CLIProxyAPI 的 mergeTokenData
 */
export declare function mergeGeminiCLITokenData(oauthToken: UnknownObject, userInfo: GeminiCLIUserInfo, projects: GeminiCLIProject[]): GeminiCLITokenData;
/**
 * 获取默认 project_id
 */
export declare function getDefaultProjectId(token: UnknownObject): string | undefined;
/**
 * 检查是否包含有效的 projects
 */
export declare function hasValidProjects(token: UnknownObject): boolean;