import { ConfigInterface } from "../../interface/ConfigInterface";
import { AbstractProcess } from "../abstract/AbstractProcess";
/**
 * ConfigLoader is responsible for loading and parsing configuration files.
 * Supports a custom path via `--config`, and falls back to `kist.yaml` or `kist.yml`.
 */
export declare class ConfigLoader extends AbstractProcess {
    /**
     * Resolved path to the configuration file, if found.
     */
    private configPath;
    /**
     * Default filenames to search for configuration files.
     */
    private readonly defaultFilenames;
    constructor();
    /**
     * Initializes the loader by locating the configuration file.
     * Uses `--config` CLI flag if provided, otherwise defaults.
     */
    initialize(): Promise<void>;
    /**
     * Loads and validates the configuration file.
     *
     * @returns Parsed and validated configuration object.
     * @throws Error if the configuration file cannot be read or validated.
     */
    loadConfig(): Promise<ConfigInterface>;
    /**
     * Validates the structure of the configuration.
     *
     * @param config - The configuration object to validate.
     * @throws Error if validation fails.
     */
    private validateConfig;
}