import type { I18nConfig } from '../types/index.js';
export declare class ConfigManager {
    private config;
    loadConfig(configPath?: string): Promise<I18nConfig>;
    getConfig(): I18nConfig;
    getAbsoluteLocalesPath(): string;
    getLanguageFilePath(language: string, namespace: string): string;
    getAllLanguageFiles(): Array<{
        language: string;
        namespace: string;
        path: string;
    }>;
    isValidLanguage(language: string): boolean;
    isValidNamespace(namespace: string): boolean;
    createBackupPath(): Promise<string>;
    validateProject(): Promise<{
        valid: boolean;
        issues: string[];
    }>;
}