import { ProjectConfig } from '../types';
export declare class ConfigManager {
    private static instance;
    private config;
    private constructor();
    static getInstance(): ConfigManager;
    initialize(): Promise<void>;
    loadConfig(): Promise<ProjectConfig | null>;
    saveConfig(config: Partial<ProjectConfig>): Promise<void>;
    getConfig(): Promise<ProjectConfig | null>;
    hasApiKey(): Promise<boolean>;
    getApiKey(): Promise<string | null>;
    clearConfig(): Promise<void>;
    getConfigPath(): string;
    getConfigDir(): string;
    validateConfig(config: Partial<ProjectConfig>): Promise<string[]>;
    private isSupportedLanguage;
    exportConfig(): Promise<string>;
}
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