/**
 * Forge Configuration Manager
 *
 * Handles loading, saving, and merging Forge configuration files.
 * Configuration locations:
 * - Project: .fractary/config.json
 * - Global: ~/.fractary/config.json
 */
import { type ForgeConfig, type RegistryConfig } from './types.js';
/**
 * Configuration load result
 */
export interface ConfigLoadResult {
    /** Loaded and merged configuration */
    config: ForgeConfig;
    /** Path to project config (if exists) */
    projectConfigPath: string | null;
    /** Path to global config (if exists) */
    globalConfigPath: string | null;
    /** Whether project config was loaded */
    hasProjectConfig: boolean;
    /** Whether global config was loaded */
    hasGlobalConfig: boolean;
}
/**
 * Get project-level config path
 * Looks for .fractary/config.json in current or ancestor directories
 */
export declare function getProjectConfigPath(cwd?: string): string;
/**
 * Get global config path
 */
export declare function getGlobalConfigPath(): string;
export declare class ConfigManager {
    /**
     * Load project config if it exists
     */
    loadProjectConfig(cwd?: string): Promise<ForgeConfig | null>;
    /**
     * Load global config if it exists
     */
    loadGlobalConfig(): Promise<ForgeConfig | null>;
    /**
     * Load and merge configurations
     * Priority: project config > global config > defaults
     */
    loadConfig(cwd?: string): Promise<ConfigLoadResult>;
    /**
     * Save project config
     */
    saveProjectConfig(config: ForgeConfig, cwd?: string): Promise<void>;
    /**
     * Save global config
     */
    saveGlobalConfig(config: ForgeConfig): Promise<void>;
    /**
     * Add registry to configuration
     */
    addRegistry(registry: RegistryConfig, scope?: 'global' | 'local', cwd?: string): Promise<void>;
    /**
     * Remove registry from configuration
     */
    removeRegistry(registryName: string, scope?: 'global' | 'local', cwd?: string): Promise<boolean>;
    /**
     * Update registry configuration
     */
    updateRegistry(registryName: string, updates: Partial<RegistryConfig>, scope?: 'global' | 'local', cwd?: string): Promise<boolean>;
    /**
     * Get registry by name from current configuration
     */
    getRegistry(registryName: string, cwd?: string): Promise<RegistryConfig | null>;
    /**
     * Initialize default configuration
     * Creates global config with Fractary registry if no config exists
     */
    initializeDefaults(): Promise<void>;
}
/**
 * Default config manager instance
 */
export declare const configManager: ConfigManager;
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