import { type LinterConfig } from '../common';
/**
 * Reads and parses supported configuration files.
 *
 * @param filePath - The name of the configuration file to be read and parsed.
 * @returns The parsed config object.
 * @throws If the file not found or the file extension is not supported.
 * @throws If the file contents are not valid JSON or YAML.
 * @throws If the file contents are not valid according to the config schema.
 */
export declare function parseConfigFile(filePath: string): Promise<LinterConfig>;