import { TPbkConfig } from "../types.js";
/**
 * Loads and validates the PBK configuration from a JSON file
 * @param configPath - Path to the config file (optional, defaults to pbk.config.json in current directory)
 * @returns Validated TPbkConfig object
 * @throws Error if the configuration is invalid or file doesn't exist
 */
export declare function loadConfig(configPath?: string): TPbkConfig;