export interface ConfigInfo {
    provider: string;
    model: string;
    hasKey: boolean;
}
/**
 * Manage agent configuration (auth.json, models.json)
 */
export declare class ConfigManager {
    private agentDir;
    private authStorage;
    constructor(agentDir?: string);
    /**
     * Save API key for a provider
     */
    login(provider: string, apiKey: string): Promise<void>;
    /**
     * Update default model for a provider in models.json
     */
    setModel(provider: string, modelId: string): Promise<void>;
    /**
     * List current configurations
     */
    list(): ConfigInfo[];
}