export interface AppConfig {
    outputDir: string;
    maxConcurrent: number;
    maxRetryAttempts: number;
    retryBaseDelayMs: number;
    requestTimeoutMs: number;
    logLevel: string;
    logToFile: boolean;
    overwrite: boolean;
    debug: boolean;
}
export declare class ConfigManager {
    private static instance;
    private configPath;
    private config;
    private constructor();
    static getInstance(): ConfigManager;
    private loadConfig;
    private saveConfig;
    get<K extends keyof AppConfig>(key: K): AppConfig[K];
    set<K extends keyof AppConfig>(key: K, value: AppConfig[K]): void;
    getAll(): AppConfig;
    update(updates: Partial<AppConfig>): void;
    reset(): void;
    getConfigPath(): string;
    getConfig(): AppConfig;
    updateConfig(updates: Partial<AppConfig>): void;
    resetToDefaults(): void;
}
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