import { EventEmitter } from 'events';
import { ConfigFile, RepositoryConfig, ConfigManagerOptions, ConfigValidationResult } from './types';
export declare class ConfigManager extends EventEmitter {
    private configPath;
    private config;
    private watcher;
    private options;
    constructor(options: ConfigManagerOptions);
    /**
     * Load configuration from file
     */
    load(): Promise<ConfigFile>;
    /**
     * Save configuration to file
     */
    save(config: ConfigFile): Promise<void>;
    /**
     * Get current configuration
     */
    getConfig(): ConfigFile | null;
    /**
     * Get specific repository configuration
     */
    getRepository(name: string): RepositoryConfig | null;
    /**
     * Get all repositories sorted by priority
     */
    getRepositoriesByPriority(): RepositoryConfig[];
    /**
     * Add a repository to the configuration
     */
    addRepository(repo: RepositoryConfig): Promise<void>;
    /**
     * Remove a repository from the configuration
     */
    removeRepository(name: string): Promise<boolean>;
    /**
     * Update a repository configuration
     */
    updateRepository(name: string, updates: Partial<RepositoryConfig>): Promise<boolean>;
    /**
     * Merge another configuration with the current one
     */
    mergeConfig(otherConfig: ConfigFile): Promise<void>;
    /**
     * Validate configuration
     */
    validate(config?: ConfigFile): ConfigValidationResult;
    /**
     * Create a default configuration file
     */
    createDefault(): ConfigFile;
    /**
     * Start watching configuration file for changes
     */
    private startWatching;
    /**
     * Stop watching configuration file
     */
    stopWatching(): Promise<void>;
    /**
     * Apply default values to configuration
     */
    private applyDefaults;
    /**
     * Substitute environment variables in configuration
     */
    private substituteEnvironmentVariables;
    /**
     * Cleanup resources
     */
    destroy(): Promise<void>;
    /**
     * Create a default configuration file
     */
    static createDefaultConfig(configPath: string): Promise<ConfigFile>;
}
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