import { type Config } from '../types/config.schema.js';
/**
 * Configuration loader with TypeScript config file support
 * Loads and validates .hublaunch/hublaunch.config.ts or uses defaults
 */
/**
 * Build the actionable, shared error message used when an existing config file
 * cannot be turned into a usable config object (the import threw, or it resolved
 * to a module that exposes no `config`/`default` object — e.g. a CommonJS
 * `module.exports` file in an ESM project). Both `ConfigLoader` and the readers
 * in `scripts/lib/read-config.ts` use this builder so the wording stays in sync.
 *
 * Defaults are used ONLY when no config file exists; an existing-but-unusable
 * config is a loud, fatal error — never a silent fall back to defaults.
 */
export declare function configLoadMismatchMessage(configPath: string, detail?: string): string;
export declare class ConfigLoader {
    private projectRoot;
    private configPath;
    private config;
    constructor(projectRoot?: string);
    /**
     * Load configuration from file or use defaults
     */
    load(): Promise<Config>;
    /**
     * One-shot per-process migration: rename legacy
     * `.hublaunch/trackedIssues.json` → `.hublaunch/trackedPlans.json` and
     * transform contents to the new schema. Errors are warned, not fatal.
     */
    private migrationDone;
    private runLocalFileMigration;
    /**
     * Apply defaults for optional fields
     */
    private applyDefaults;
    /**
     * Resolve relative paths to absolute paths based on project root
     */
    private resolvePaths;
    /**
     * Get current config (loads if not already loaded)
     */
    get(): Promise<Config>;
    /**
     * Reload configuration from file
     */
    reload(): Promise<Config>;
}
/**
 * Get or create ConfigLoader instance
 */
export declare function getConfigLoader(projectRoot?: string): ConfigLoader;
/**
 * Load configuration
 */
export declare function loadConfig(projectRoot?: string): Promise<Config>;
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