/**
 * Profile Detector
 *
 * 精简版：只保留 settings 和 default 两种 profile 类型。
 * 从 unified config (YAML) 或 legacy config (JSON) 查找 API profile。
 */
export type ProfileType = 'settings' | 'default';
export interface ProfileDetectionResult {
    type: ProfileType;
    name: string;
    settingsPath?: string;
    message?: string;
    /** 从 unified config 或 settings 文件加载的 env vars */
    env?: Record<string, string>;
    /** API profile 的端点协议 ('anthropic' 默认, 'openai' 用于 Chat Completions) */
    protocol?: 'anthropic' | 'openai';
}
export interface AllProfiles {
    settings: string[];
    default?: string;
}
export interface ProfileNotFoundError extends Error {
    profileName: string;
    suggestions: string[];
    availableProfiles: string;
}
/**
 * 从 settings 文件加载 env vars。
 */
export declare function loadSettingsFromFile(settingsPath: string): Record<string, string>;
declare class ProfileDetector {
    private readonly configPath;
    constructor();
    private readUnifiedConfig;
    /**
     * 从 unified config 解析 profile。
     */
    private resolveFromUnifiedConfig;
    /**
     * 读取 legacy config.json
     */
    private readConfig;
    /**
     * 检测 profile 类型并返回路由信息。
     *
     * 优先级：
     * 1. Unified config profiles (config.yaml)
     * 2. Settings-based profiles (config.json legacy)
     * 3. Default
     */
    detectProfileType(profileName: string | null | undefined): ProfileDetectionResult;
    /**
     * 解析默认 profile
     */
    private resolveDefaultProfile;
    /**
     * 列出可用 profiles（用于错误提示）
     */
    private listAvailableProfiles;
    hasProfile(profileName: string): boolean;
    getAllProfiles(): AllProfiles;
}
export default ProfileDetector;
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