/**
 * Configuration management for AI Patch
 */
interface SavedConfig {
    apiKey?: string;
    baseUrl?: string;
    provider?: string;
    installId?: string;
    telemetryEnabled?: boolean;
}
/** Metadata for a single LLM provider. */
export interface ProviderDef {
    /** Environment variable holding the API key for this provider. */
    apiKeyVar: string;
    /** Environment variable holding the base URL that the SDK reads.
     *  OpenAI-compatible providers share OPENAI_BASE_URL so the standard
     *  OpenAI SDK picks up a gateway URL automatically. */
    baseUrlVar: string;
    /** Default base URL used when the env var is absent. */
    defaultBaseUrl: string;
    /** Default model used when MODEL env var is absent. */
    defaultModel: string;
    /** Human-readable label shown in the UI. */
    label: string;
}
/**
 * Central registry of all supported LLM providers.
 *
 * Providers that are OpenAI-compatible (use the OpenAI SDK) share
 * OPENAI_BASE_URL so pointing that variable to a gateway URL works
 * for all of them without any code changes.
 *
 * Providers with their own SDKs (anthropic, gemini) have dedicated
 * base URL vars that their respective SDKs honour.
 */
export declare const PROVIDER_DEFS: Record<string, ProviderDef>;
export declare class Config {
    baseUrl: string;
    apiKey: string;
    provider: string;
    model?: string | undefined;
    constructor(baseUrl: string, apiKey: string, provider: string, model?: string | undefined);
    static autoDetect(provider?: string): Config;
    isValid(): boolean;
    getMissingVars(): string;
}
/**
 * Load saved configuration from home directory (~/.ai-patch/config.json)
 * Returns null if file doesn't exist or can't be read
 */
export declare function loadSavedConfig(): SavedConfig | null;
/**
 * Save configuration to home directory (~/.ai-patch/config.json)
 * Creates directory if it doesn't exist
 * Sets permissions to 0600 on Unix systems
 * Returns list of fields that were saved
 */
export declare function saveConfig(config: SavedConfig): string[];
/**
 * Auto-detect provider from environment variables.
 *
 * Returns tuple of [provider, detectedKeys, selectedKeyName, warningMessage]
 */
export declare function autoDetectProvider(providerFlag?: string, canPrompt?: boolean): [string, string[], string | null, string | null];
/**
 * Get or create install_id for telemetry
 *
 * - Loads from config if exists
 * - Generates new UUID if not
 * - Saves to config automatically
 *
 * Returns: [installId, isFirstRun]
 */
export declare function getOrCreateInstallId(): [string, boolean];
export {};
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