import type { CnbConfig, Config } from '../types/config-types';
/**
 * loadUserConfig - This function attempts to load the user's custom configuration file.
 * It checks for two possible config files: `cnb.config.ts` for TypeScript users and `cnb.config.cjs`
 * for CommonJS users. If it finds a valid file, it will load and return the configuration object.
 *
 * If an error occurs during loading, it logs an error message and exits the process.
 * If no config file is found, it logs a warning and returns an empty object, indicating that default
 * settings should be used.
 *
 * @returns {Partial<CnbConfig>} The user's configuration if found, or an empty object if not.
 */
export declare const loadUserConfig: () => Partial<CnbConfig>;
/**
 * validateUserConfig - This function validates the user's configuration object to ensure it meets the required structure.
 * It checks that the `branchTypes` property is an array of strings and that the `maxDescriptionLength` is a positive number and the skipTicketId is a boolean and the ticketIdPrefix and the separator are passing the isValidBranchChars function.
 * If any validation fails, it logs an error message and exits the process.
 * If the configuration is valid, it returns true.
 *
 * @param {Partial<CnbConfig>} userConfig - The user's configuration object to validate.
 *
 * @returns {boolean} True if the configuration is valid, false otherwise.
 */
export declare const validateUserConfig: (userConfig: Partial<CnbConfig>) => boolean;
/**
 * mergeConfigs - This function merges the user's configuration with the default configuration.
 * It ensures that if the user specifies custom `branchTypes`, they override the default array.
 * All other settings are merged such that the user's settings take precedence over the defaults.
 *
 * @param {Partial<CnbConfig>} userConfig - The configuration provided by the user, which may override default settings.
 * @param {Config} defaultConfig - The default configuration that will be used if the user does not provide one.
 *
 * @returns {CnbConfig} The final merged configuration, combining the user and default settings.
 */
export declare const mergeConfigs: (userConfig: Partial<CnbConfig>, defaultConfig: Config) => Config;