/**
 * Config Manager — reads/writes ~/.careervividrc.json
 *
 * Stored fields:
 *   apiKey   — cv_live_... key
 *   apiUrl   — override for the publish endpoint (default: prod)
 */
export declare const CONFIG_FILE: string;
export declare const DEFAULT_API_URL = "https://careervivid.app/api";
export type LLMProvider = 'careervivid' | 'gemini' | 'openai' | 'anthropic' | 'openrouter' | 'custom';
export interface CareerVividConfig {
    apiKey?: string;
    apiUrl?: string;
    /** @internal — CareerVivid platform key, never exposed to users */
    geminiKey?: string;
    targetCompanies?: string;
    /** ISO timestamp of when the CLI session was created */
    sessionCreatedAt?: string;
    /** BYO LLM provider preference */
    llmProvider?: LLMProvider;
    /** BYO model identifier (e.g. "gpt-4o", "claude-opus-4-5", "gemini-2.5-pro") */
    llmModel?: string;
    /** @deprecated use llmKeys[provider] instead — kept for migration */
    llmApiKey?: string;
    /** Per-provider API keys — keyed by provider name */
    llmKeys?: Partial<Record<LLMProvider, string>>;
    /** Custom base URL for OpenAI-compatible endpoints (OpenRouter, Kimi, GLM, Qwen, etc.) */
    llmBaseUrl?: string;
}
export interface LLMConfig {
    provider: LLMProvider;
    model: string;
    apiKey?: string;
    baseUrl?: string;
}
export declare function loadConfig(): CareerVividConfig;
export declare function saveConfig(config: CareerVividConfig): void;
export declare function getApiKey(): string | undefined;
/** Gemini API key used by `cv agent`. Priority: GEMINI_API_KEY env var > geminiKey in config. */
export declare function getGeminiKey(): string | undefined;
/** Get the saved API key for a specific BYO provider */
export declare function getProviderKey(provider: LLMProvider): string | undefined;
/** Save the API key for a specific BYO provider */
export declare function setProviderKey(provider: LLMProvider, key: string): void;
export declare function getApiUrl(): string;
export declare function setConfigValue(key: keyof CareerVividConfig, value: string): void;
/** How long a CLI session stays valid (90 days in ms) */
export declare const SESSION_TTL_MS: number;
/** Returns true if the stored session is still valid */
export declare function isSessionValid(): boolean;
/** Call when user successfully authenticates — stamps the session creation time */
export declare function stampSession(): void;
/** Clear all auth credentials (logout) */
export declare function clearSession(): void;
/**
 * Returns the active LLM config, with env var overrides.
 * Priority: CLI flags (passed in) > env vars > config file > defaults.
 */
export declare function getLlmConfig(overrides?: {
    provider?: LLMProvider;
    model?: string;
    apiKey?: string;
    baseUrl?: string;
}): LLMConfig;
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