/**
 * Config file loader for riverbank.config.ts
 *
 * Uses jiti to load TypeScript config files at runtime without
 * requiring a build step.
 */
/**
 * Load builder config from a TypeScript file.
 *
 * @param configPath - Path to config file, or directory containing riverbank.config.ts
 * @returns The loaded config object
 * @throws Error if config file not found or invalid
 */
export declare function loadConfigFile(configPath?: string): Promise<unknown>;
